Wednesday, July 31, 2019
Flow Cytometry Market will Reach
Allied Market Research today published a new market research report titled ââ¬Å"Flow Cytometry Market (Products, Application, Technology, and users) ââ¬â Current Trends, Opportunities, Industry Analysis, Size, Share and Global Forecast, 2012-2020â⬠. As per the study, the flow cytometry market valued $3 billion In 2012 Is further expected to reach $6. 5 billion by 2020 growing at a CAGR of 30. 9%.Increasing needs to enhance precisions and produce faster results as well as need for compact devices are compelling the clinical and diagnostic organization to adopt innovative technologies. Though popularity has been gained in the application field of life science industry, the cost ot the instrument is impeding the growth. Due to this, many researchers are still reluctant in adopting this technology in their research work. Moreover, advancing technologies that has brought complex instrumentation requires highly skilled personals to operate these instruments.The complete report i s available at httpwwww. alliedmarketresearch. com/flow- cytometry-market ââ¬Å"Flow cytometry market Is In developing phase. Enhancing precision In results and resence of numerous flow cytometry techniques such as multicolor and multi- parameter flow cytometry has acted as a strong foothold, assisting the market growth in majority of the developed economies and foresees high potential In the emerging economies such as Asia Pacific and Africa.These economies have high demand for better health care techniques at an affordable cost. Increasing aged population who need better healthcare, increase in chronic disease and need for better diagnosis and treatment are few driving factors that are impacting the flow cytometry marketâ⬠tate AMR analysts Debbie Shields and Rohlnl Patll_ Immunotyplng and signal transduction, for example, have been playing a significant role in medical diagnostics.However, conventional technologies used, have limited the accuracy and impacted the result del iverance time of the diagnosis performed. Improving therapeutic scenario is equally attracting focus on early diagnostic tools. Currently, many cancer types have various treatment options; however, this depends on the time of diagnosis and the stage of the cancer. Flow cytometry has been one of he most prevalent technologies which offer solutions for most of the problems discussed above.Key factors restraining the market include high instrument costs and size, lack of awareness among probable users and need for trained personnel. Most of the users are not aware of the advanced development in the flow cytometry technology and believe that the instruments are space consuming, complex in use and are of high cost, thus affecting the market growth. ââ¬ËOF2 I ne glooal market Tor now cytometry Is alvlaea Into segments sucn as products, technology, end users, and applications.Instruments market accounts for the largest share of revenue in the flow cytometry market at present and is expe cted to remain as the highest revenue generator in 2020. Increase in modularity, accessibility, incorporation of imaging capabilities, availability of wavelengths and targets and size reduction are few of the significant trends in the market assisting in adoption of the instruments by the end users. On the other hand, reagents market is expected to experience the highest growth rate of CAGR 12% during the analysis period.Primary eason escalating this segment is availability of several types of reagents that find diverse usability depending on specific applications like diagnostics, drug discovery, Two technologies are implemented in flow cytometry based research and diagnosis, namely cell based and bead based technologies. In the present scenario as well as throughout the analysis period, cell based technique is leading the market in terms of revenue generation. However, bead based technique is expected to beat this technology in terms of adoption rate by 2020. North America account ed for the argest share of revenue i. . 43. 5% of the overall Global flow cytometry market at $1. 2 billion in 2011. The region is further expected to attain a market size of $2. 8 billion by 2020 growing at a CAGR of 10. 1%. The company profile in this includes: Advanced analytical Technologies, Inc. , Merck Millipore, Becton, Dickinson ; co, Beckman Coulter, eBioscience, Partech, Life technologies corp. , Luminex Corp, Amnis Corp. , Morphosys AG. The primary strategy employed by key players of the market is products launch which is due to demand for newer, faster, and high through put achines that deliver better results.About Us: Allied Market Research (AMR) is a full-service market research and business consulting wing of Allied Analytics LLP based in Portland, Oregon. Allied Market Research provides global enterprises as well as medium and small businesses with unmatched quality of ââ¬Å"Market Research Reportsâ⬠and ââ¬Å"Business Intelligence Solutionsâ⬠. AMR has a targeted view to provide business insights and consulting to assist its clients to make strategic business decisions and achieve sustainable growth n their respective market domain.We are in professional corporate relations with various companies and this helps us in capturing most accurate market data and confirms utmost accuracy of our market forecasts. Each and every data presented in the reports published by us is also extracted through primary interviews with top officials from leading companies of domain concerned. Our secondary data procurement methodology includes deep online and offline research and discussion with knowledgeable professionals and analysts in the industry.
Tuesday, July 30, 2019
Bmw and Peugeot
[pic] MBA 503: Managerial Decision Making: Financial Analysis Professor: Sameer Mustafa [pic] [pic] INVESTMENT IN AUTOMOBILE INDUSTRY: BMW OR PEUGEOT Section F12N72 Team members: Ranjan Saha Sam Khassawneh Elena Dugarova Executive Summary This report provides a financial analysis and assessment of two automobile companies Bayerische Motoren Werke (BMW Group) and PSA Peugeot Citroen. Methods of analysis include comparison and evaluation of financial ratios, financial SWOT, R&D and cash flow analyses. All calculations can be found in the appendices.Results of data analyzed show that both companies have strengths, weaknesses, threats and opportunities, but Peugeot has more strengths and opportunities in terms of long-run prospective, than in BMW. After analyzing both companies we recommend to invest in Peugeot. Table of Content 1. Introduction â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. â⠬ ¦Ã¢â¬ ¦.. 2. SOWT Analysis â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. â⬠¦Ã¢â¬ ¦ 1. BMW Strengths â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 2. BMW Weaknesses â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 3. BMW Opportunities â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 4. BMW Threats â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 5. Peugeot Strengths â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â ¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 6. Peugeot Weaknesses â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 7.Peugeot Opportunities â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 8. Peugeot Threats â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 3. Comparison of two companies â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 4. Recommendations â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 5. Conclusion â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 6. Appendices â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 7. References â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 1. Introduction This report provides data on the financial situation of two well-known automobile brands, BMW Group and PSA Peugeot Citroen, over 2009 and 2011. The purpose of the report is to evaluate the financial situation of these companies in order to make an investment decision in any of these companies.First part of the report provides brief description about the companies followed by the situation analysis of both companies. Third part of the report illustrates the comparison followed by recommendation and conclusion. The recommendation will be made based on the result of the situation analysis. BMW Group was founded in Germany in 1917. This is one of the most prospering automobile, motorcycle, and engine manufacturing companies. BMW Group has three one of the finest brands in this industry: BMW, MINI and Rolls-Royce (Annual report, 2011, p. 3).The other company PSA Peugeot Citroen was founded in Paris in 1976. PSA Peugeot Citroen offers automobiles and motorcycles worldwide (PSA Peugeot Citroen, 2012). Nowadays this automobile company is supplying its products to China, Latin America, Russia and Europe (Annual report, 2011, p. 4). 2. Situation analysis for BMW and Peugeot The following section will discuss the financial strengths, weaknesses, threats and opportunities of both companies. 2. 1 Strengths of BMW 2. 1. 1 Sustainability of the company Maintaining the profitability is vital for any firm in order to be remaining sustainable.From the profitability test, it is apparent that the company improved itââ¬â¢s profitability over the year 2009 to 2011. Gross profitability increased significantly from 13. 96% in 2009 to 24. 38% in 2010 and continued to climb up to 27. 79 by the end of 2011. 2. 1. 2 Excellent creditworthiness BMW has been assigned credit rating status as ââ¬Å"stableâ⬠by both Moodyââ¬â¢s (rating A2) and Standard & Poor (rating A) which indicates the firmââ¬â¢s sound solvency position to debt (www. bmwgroup. com). In addition, their interest cover ratio provides very positive indication as it increased from 3. 36 in 2009 to 9. 54 in 2011.By utilizing this status company will be able to attract potential creditor with lower interest rate. Therefore, their profitability will increase due to the lower interest expenditure. 2. 1. 3 Increase investment in research and development Investment in research and development (R&D) is significantly important in order to take competitive advantage and mai ntain sustainable growth. BMW is committed to in R&D to meet current and future demand. Their expenditure rose up by 13. 3%? to â⠬2,773 million from 2010 to 2011. One of the most advantages of BMW is creative production (Annual report BMW, 2011).They invested extensively in the past 3 years towards improving the environment and reduction of the CO2 emissions by 30 %. They also introduced fuel efficient product line such as BMW i models in order to meet the current demand. Moreover, BMW is searching for alternative energy solution by electrification and utilizing solar energy in their future product range. By introducing new product line BMW could take competitive advantage over it competitors by attracting environmental friendly customers which would maximize their profit as well as their image as innovative company. 2. 1. Commitment to Employees training The company values its human resources and invests in attracting and training skilled workforce to boost the quality of its products by reducing error rate, waste in production. It will also help BMW to strengthen customer relation as trained employees would able to communicate with confident by utilizing their knowledge and skills which will increase customer satisfaction. Moreover, due to the training employees will gain confidence to communicate more clearly with management which will improve the relationship between employee and management.As a result disputes between labour union and BMW will be reduced (Bloom & Lafleur, n. d. pp 5 ââ¬â 9) In 2011 expenditure on basic and further training rose sharply by 37. 4% to â⠬246 million (Annual report BMW, 2011). 2. 1. 5 Social responsibility BMW signed the UN Global Compact and issued a ââ¬Å"Joint Declaration on Human Rights and Working Conditions which demonstrates that BMW complies with the fundamental working standards of the International Labor Organization (Annual Report BMW, 2011). It also indicates that BMW is a socially responsible firm w hich will have a positive impact on the image of the company (Murillo & Martinek, 2009).BMWââ¬â¢s image as a good citizen would help to attract potential investors, creditors and customers who care about social responsibility of any company. 2. 2 Weaknesses BMW 2. 2. 1Operating efficiency Receivable turnover has sharply declined from 55. 04 in 2009 to 15. 93 in 2011. Inventory turnover has also declined from 14. 50 in 2010 to 5. 43 in 2011. Both ratios are below the industry norm, which indicates that management was not efficient enough to collect its receivables. This also indicates that sales and marketing department didnââ¬â¢t perform well compare to the competitors to increase the sales. . 2. 2 Sharp decline in sales: In 2011 BMWââ¬â¢s sales dropped by 37 % in the US which is the largest market outside Europe. If it continues to decline, BMW may lose market share significantly which would have a very negative impact on the profitability as well as it would be a threat t o the sustainability of the company. 2. 2. 3 Liquidity BMWââ¬â¢s ability to meet the short-term financial obligation is low comparing to the industry norm. If BMW donââ¬â¢t pay attention to increase the liquidity, it could turn into a threat from weakness. 2. 2. 4Market shareDecreasing global market share for BMW. It goes down from 2. 89% in 2005 to 2. 45% in 2010. (www. statista. com). This shows that demand BMWââ¬â¢s cars are decreasing which is a bad sign for company. 2. 3 Opportunities BMW 2. 3. 1 Utilizing the exist technology to produce more environmental friendly products: As this issue became an important for the society. (BMW Annual report, 2011, p. 19) states, ââ¬Å" In September 2011, SGL Automotive Carbon Fibers ââ¬â a joint venture of the BMW Group and the SGL Group ââ¬â opened a new state-of-the-art carbon fiber manufacturing plant in Moses Lake, USA.The facility plays a major strategic role in the manufacture of ultra-lightweight carbon-fiber reinfor ced plastics (CFRP), which will be used extensively in the BMW i vehicles to be launched by the BMW Group from 2013 onwardsâ⬠. BMW group is already having this idea, but they could get more profit if they increase the art carbon fiber plants. 2. 3. 2 Growth in Asia: Asian countries are encouraging the foreign investment and they have a cheap labor. In addition, the cost of capital is cheaper than Europe. These factors lead to less cost of production and higher revenue.In order to gain this benefit BMW adopted ââ¬Å"Completely Knocked Downâ⬠(CKD) assembly to manufacture automobiles with partners in six locations such as Thailand, Malaysia, Russia, Egypt, Indonesia and India (www. bmwgroup. com ). This would help BMW to attract the large Asian market as well as increase market share in the region. 2. 3. 3 Increasing demand on sports car BMW is already produced a few sport cars and they have to increase the number of sport cars and promote them to championships and customer s who like this type of cars. In July 2011,à BMWà pulled the covers off of theà BMW M3 DTM Concept Car, a vehicle that was to be the basis of the actual racer that will compete in the 2012 DTM seasonâ⬠(www. topspeed. com). 2. 3 Threats BMW 2. 3. 1 Euro zone crisis: Current economic slowdown along with sovereign euro zone crisis may tremendously hurt the company as sales are declining in Europe. It might pose even greater threat if bigger economies like Italy and Spain has to default like Greece which will lead Europe into a recession (World Economic Forum, 2012).It would not only affect BMWââ¬â¢s sales in Europe but also rest of the world because recession in the EU will have adverse effect in the worldââ¬â¢s economy (International Monetary Fund, 2012). 2. 3. 2 Changes in Trend: Recent trend in the usage of car, where wealthy people prefer cheaper/affordable cars instead of luxurious car (24/7 Wall Street, 2012). Due to this trend, BMW as a luxurious car manufactur er might lose sales revenue and market share. Ultimately, it would have negative impact on the sustainability of the company. 2. . 3 Disputes with labour union: Labour union in Germany is very strong where firing employee is very costly (Global Competitiveness Index, 2012). Any dispute with the labour union could have significantly negative impact on the business operation as union could go for strike which will break the whole supply chain. 2. 4 PSA Peugeot Citroen 2. 4. 1 Strengths Peugeot 2. 4. 2 Sustainability of the company Companyââ¬â¢s overall profitability significantly increased from very negative profitability in 2009(gross profit on sale -3. 0% and return on sale -5%) to a positive profitability in 2011 (gross profit on sale 17. 10% and return on sales 1. 50%), which demonstrates managementââ¬â¢s extraordinary performance to bring the company back into a sustainable position. 2. 4. 3 Operating Efficiency Over the years from 2009 to 2011 Peugeot demonstrated continuo us improvement of its operating efficiency as management was improved efficiency to collect receivables (receivable turnover 20. 63 in 2009 and 26. 98) as well as increased inventory turnover (7. 14 in 2009 and 9. 06 in 2011) which is higher than industry norm (6. 4).Though receivables turnover is lower than industry norm (34), Peugeotââ¬â¢s continuous improvement indicates that management is paying attention to improve in order to maintain the capacity of operating assets. 2. 4. 4 Diversified business segments Diversification in the business segment reduces the risk of failure as it reduces companyââ¬â¢s dependency on one single segment (The Economics Times, 2012) The Group's operations are organized in five main business segments: the Automotive Division, the Automotive Equipment Division, the Transportation & Logistics Division, the Finance Division and other businesses. These segments increased revenue by 6. % from â⠬56061million in 2010 till â⠬59912 million in 2 011 (Annual report BMW, 2011). Due to the diversified business segments Peugeot will be able to offset of one segmentââ¬â¢s loss from other segmentââ¬â¢s profit. 2. 4. 5 Investment in research and development To meet the current and future demand Peugeot invest heavily in research and development. This French auto manufacturer has maintained its R budget at â⠬2152 million in 2011, or 3. 6% of revenue in order to secure sustainability in the future (www. peugeot. com). In 2011, PSA Peugeot Citroen was the most active patent filer in France with 1,237 patents in all.This performance demonstrates the positive outcome of its exceptional investment in R. New patents would enhance the innovative product line which would differentiate Peugeotââ¬â¢s product from its competitors in order to gain competitive advantage. This indicates better future for Peugeot. 2. 4. 6 Affordable price with good quality PSA Peugeot Citroen offers high quality distinctive cars for affordable price and specifically targets middle class (annual presentation 2010 PSA Peugeot Citroen). It would help Peugeot to gain market share faster in the emerging market such as China, Brazil and India where the number of middle class is very large.Higher market share in the emerging markets would strengthen Peugeotââ¬â¢s position in the global automotive industry. 2. 5 Weaknesses Peugeot 2. 5. 1 Creditworthiness Recently, Peugeotââ¬â¢s credit rating has been downgraded from ââ¬Å"stableâ⬠to ââ¬Å"negativeâ⬠by both international credit rating agency Standard & Poor and Moodyââ¬â¢s which would negative impact on creditors confidence. As a result, their interest rate will increase as creditors might feel risky to invest (Mustafa, 2012, Class lecture). However, French governmentââ¬â¢s â⠬7b credit guarantee for Peugeot might help to maintain creditorââ¬â¢s confidence which will keep the interest expense stable. . 5. 2 Declining sales in Europe: Peugeotââ¬â¢s s ales declined by 5. 75% in 2010 in Europe, itââ¬â¢s largest market and it remained stable in 2011. Moreover, sales dropped further by 10. 8% by the end of September 2012 (European Automobile Manufacturersââ¬â¢ Association, 2012) It indicates a potential threat for Peugeot to losing market share in Europe, if it continues further. However, increasing sales outside Europe 39% in 2011 compare to 32% in 2010 (Annual Report Peugeot, 2011) could help Peugeot to maintain market share in the global automotive industry. 2. 5. 3 Liquidity Since 2009 to 2011 Peugeotââ¬â¢s liquidity has declined from 1. 07 to 1. 4 which even lower than the industry norm. Decrease in liquidity could have negative impact on the operating activities as firm might run out of cash to meet short term obligations. 2. 6 Threats Peugeot 2. 6. 1 Unionized labour market: French labour market is strongly unionized which give labour union a very strong bargaining power. The recent announcement by Peugeot to cut 800 0 jobs in their French plant (BBC News, 2012) might create disputes with the union. Therefore, there is a huge risk that union could go for strike due to the dispute with Peugeot which might disrupt their supply chain and cost a considerable amount for the company.However, French governmentââ¬â¢s announcement to provide credit guarantee in exchange to keep these jobs (The New York Times, 2012) would help Peugeot to avoid dispute with the union. 2. 6. 2 Euro zone crisis: Economic downturn and euro zone crisis had a very negative impact on Peugeotââ¬â¢s sales in Europe as the market demand declined sharply which resulted a decline in sales by 5% in 2010 and. If it continues may be the sales will drop further. 2. 6. 3 Competition from other producers: Increasing market share gained by other affordable car producers such as Hyundai could hurt Peugeot. There is a risk that French firm could lose market share. . 7 Opportunities Peugeot 2. 7. 1 New Trend Peugeot would be able to attr act customers with high income people due to the new trend as more rich people buy affordable price car (24/7 Wall Street, 2012) This is a very positive indicator for Peugeot to increase market share by attracting this large segments. 2. 7. 2 Market shift to globalization Peugeot is focusing on specific markets in the world. Since globalization is facilitating world trade, Peugeot would benefit significantly from itââ¬â¢s expansion to the emerging markets in Asia, Latin America and Middle East (The New York Times, 2012). . 7. 3 Increase the demand of hybrid electric cars PSA Peugeot has a joint venter with GM to produce hybrid cars. The joint arrangement agreement was signed on 25 October 2011. The Group is committed to providing total capital of â⠬63 million, of which â⠬13 million had been paid as of 31 December 2011. Registered in the Netherlands. (Peugeot annual report 2011) 3. Comparison of BMW and Peugeot This section compares and contrasts of both company in order to identify the better option for investment. 3. 1 Sustainability Both BMW and Peugeot improved their gross profit.BMW is around 10% more profitable in terms of gross profit ratio compare to Peugeot. However, Peugeot had higher return on sales which indicates that management of Peugeot was more capable to control itââ¬â¢s variable cost. Peugeot was also able to generate higher return from its asset compare to BMW as well as industry norm this demonstrates the managementââ¬â¢s ability to utilize its asset in order maintain sustainable profit. 3. 2 Management efficiency Management efficiency is lower than the industry norm for both companies. However, Peugeotââ¬â¢s management is more efficient than BMW in collecting receivables.It is also more efficient in inventory turnover, which indicates that Peugeotââ¬â¢s sales, and marketing department is performing better than BMW. 3. 3 Diversified business segments Peugeotââ¬â¢s business segments is more diversified that BMW th is would help Peugeot to reduce the risk because it can cover the loss of one segment from another segments profit. 3. 4 Market share Even though BMW has higher market share in certain market. However, it has declined gradually over the past several years while Peugeot has increased market share in the emerging markets such as China, Russia, India and Latin America. This indicates better future for Peugeot. . 5 Credit ratings BMWââ¬â¢s credit ratings are better than Peugeot because BMWââ¬â¢s credit ratings have been improved from negative to stable. On the other hand, Peugeotââ¬â¢s credit ratings have been downgraded in 2012 (Moodyââ¬â¢s 2012) As a result Peugeotââ¬â¢s borrowing cost might increase while BMW will benefit from the lower interest rates. 3. 6 Interest coverage ratio BMWââ¬â¢s interest cover ability is considerably better than Peugeot, which is 9. 54 and 1. 68 respectively. Due to higher interest coverage ratio it will create more confidence in BMW, wh ich will reduce interest expense. 3. 7 Liquidity Liquidity for both companies is below industry average.However, Peugeot has higher liquidity than BMW. This indicates that Peugeot has better ability to cover the short-term obligations. 3. 8 New trend Demand for Peugeot cars would be higher than BMW due to the changes in trend and customerââ¬â¢s preferences as wealthy people are buying cheaper cars. However, increasing demand for sports car would provide benefit to BMW. 3. 9 Euro zone crisis Euro zone crisis has significantly affected on both companies. However, Peugeot has increased sales outside Europe from 32% in 2010 to 39% in 2011 while BMW lost 37% sales in 2011 in the US which is their biggest market.Due to the increasing sales outside Europe, Peugeot will be able to maintain overall sales revenue though there is decline in sales revenue in the European market. 3. 10 Political risk Political risk could negatively effect on both companies. However, BMW is more vulnerable in the Middle Eastern countries which are one of their biggest market due to Arab spring. 3. 11 R Both companies invested heavily in R but Peugeot was able to generate more patents than BMW. In 2011 Peugeot had in total 1237 patents (Annual Report 2011 Peugeot).Higher capability of invention would provide competitive advantage to Peugeot as it will be able to meet the consumers demand. 4. Recommendation The above analysis illustrates that both companies has strengths and weaknesses. However, Peugeot has more strength and opportunities than BMW. Peugeotââ¬â¢s strengths and opportunities are better sustainability, higher management efficiency, diversified business segments, better match with new trend and increasing market share in the emerging market. These strengths demonstrate that investment in Peugeot would be a better choice as the companyââ¬â¢s future seems to be stronger and more sustainable than BMW.These also indicate that investment in Peugeot would be less risky. Theref ore, we recommend investing in Peugeot. 5. Conclusion In conclusion, different factors were investigated in order to come up with right decision regarding the investment in BMW or Peugeot. Some of these factors are related to profitability, efficiency, debt, R & D and market position. Some other factors are related to their productsââ¬â¢ quality and customer satisfaction. All of these factors were analyzed for three years starting from 2009 to 2011. In addition, the SWOT analysis played an important role in our decision-making.However, after analyzing both companiesââ¬â¢ situation and looking at their strengths and opportunities, Peugeot was the best choice to invest in. References BBC News (2012) Peugeot Citroen plans 8000 job cuts. Available at http://www. bbc. co. uk/news/business-18808662 [accessed 11 November 2012] Bloom, M. R. & Lafleur, B. (n. d. ) Turning Skills into Profit: Economic Benefit of Workplace Education Program. The Conference Board. Available at http://www. conferenceboard. ca/Libraries/EDUC_PUBLIC/Skills_Profits. sflb [accessed 10 November 2012] Murillo, R. H. & Martinek,C. J. (2009) Corporate Social Responsibility Can Be Profitable.The Regional Economist. Available at http://research. stlouisfed. org/publications/regional/09/04/socialresponsibility. pdf [accessed 8 November 2012] The Economics Times (2012) Nine Diversified Companies: Are these firm attractive investment proposition. Available at http://economictimes. indiatimes. com/features/slideshows/et-slideshows-made-here/nine-diversified-companies-are-these-firms-attractive-investment-propositions/nine-diversified-companies-are-these-firms-attractive-investment-propositions/quickiearticleshow/7390833. cms [accessed 5November 2012] The New York Times (2012) France to back Peugeot With 7 billion euro in credit.Available at http://www. nytimes. com/2012/10/24/business/global/france-to-back-peugeot-with-7-billion-euros-in-credit-guarantees. html? _r=0 [accessed 11 November 2012] Wo rld Economic Forum (2012) Global Competitiveness Report. Available at http://www3. weforum. org/docs/WEF_GCR_Report_2011-12. pdf [accessed 25 October 2012] International Monetary Fund (2012) Debt Crisis, as it happened. Available at http://www. telegraph. co. uk/finance/debt-crisis-live/9681567/Debt-crisis-as-it-happened-November-16-2012. html [accessed 16 November 2012] Appendices [pic] Figure 1: Source: [pic] Figure 2: Source: PSA Peugeot Citroen 2011 [pic]
Research CSS (level 1) vs. CSS3 Essay
The latest version of CSS is the CSS3 version which basically differs from CSS2 in the incorporation of Modules and other changes. Modules enable the designing to be done in a lesser time with more ease while updating individual features and specifications. The CSS3 version supports many more browsers than CSS2, but make sure it works on all operating systems and browsers. Other major changes include CSS Selectors which CSS2 had simple selectors and the new version calls the components as a sequence of simple selectors. Pseudo elements because many Pseudo elements have been added that allow in-depth yet easy styling. Also a new convention of double colons ââ¬Ë::ââ¬â¢ has been introduced. Style properties let multiple background images be layered in the box using different elements like background image position and repeat. Border style is the styling of borders that extended to images and rounded designs which includes creating image of the borders and then automatically apply image to the borders through CSS. Additions in Properties include border-radius, image-source, image-slice, and the values for width outset and stretch have been added in CSS3. It also features properties for managing boxes like shadowing, wrapping and breaking have been added. The best part of CSS3 is that it has done away with complex structures for div tag and makes it easy for hassle free designing of multiple table-less columns. This can be simply done by putting in the number of columns in the browser that need to be added in the body element along with their width, color and height to make the text flow through the columns with ease.
Monday, July 29, 2019
PROJECT IV Essay Example | Topics and Well Written Essays - 1000 words
PROJECT IV - Essay Example average time (pit stop time) and number of wins for top 30 Sprint Cup Drivers (the Nextel Cup Series) for year 2008 (whole season) is taken for bivariate correlation and regression analysis. For this paper, the average time (pit stop time)1 and number of wins for top 30 Sprint Cup Drivers (the Nextel Cup Series) for year 2008 (whole season) is collected (Race results, 2008; Sprint Cup Drivers, 2008). Table 1: Driverââ¬â¢s Number of Win(s) and the Pit Stop Time in Appendix, shows the data for top 30 drivers for the Nextel Cup Series, 2008. In bivariate correlation and regression analysis , it will be determined whether average time of pit stops is related to the number of wins. Therefore, the average time will be taken as independent variable (x) and the number of wins will be taken as dependent variable (y). Figure 1 shows the scatter plot of Average Pit Stop Time and Number of Wins. From figure 1 , it can be seen that as the average pit stop time increases the number of wins decreases. Therefore, there is a negative relationship exists between the variables average time and number of wins. The value of sample correlation coefficient , r = -0.55 indicate that there is a negative relationship present between the variables average pit stop time and number of wins for top 30 Sprint Cup Drivers. The correlation is significant at level of significance, à ± = 0.01. For a two-tailed test at level of significance, à ± = 0.01 and degree of freedom 28, the critical value of r is à ± 0.463. The value of correlation coefficient r = - 0.550 is less than the left tail critical value of -0.463, therefore the null hypothesis of no correlation is rejected and the data provide sufficient evidence of correlation between variables average pit stop time and number of wins (Table 3: Correlation Matrix). The slope equal to -1.803 suggests that an additional second in average pit stop time decreases the number of wins of sprint cup drivers by approximately 1.8. The number of wins for
Sunday, July 28, 2019
Peace According to John Locke and Thomas Hobbes Essay
Peace According to John Locke and Thomas Hobbes - Essay Example Fundamentally, it is human nature that is focused upon in such theories, and this helps to explain the manner in which situations develop through time. Generally, it can be asserted that any theory that applies to society needs to have some kind of perspective on human nature too that would help to explain the situation in which man lives today. Whichever way one views human behavior, the present condition today has to be explained through that particular perspective. John Locke and Thomas Hobbes are two social theorists that took human nature into great consideration in their work, and they each explained the manner in which society developed through this behavior. They also explained how society functions and how things have come to be socially and politically speaking through this behavior. Specifically, one of the their main areas of focus is 'peace' and how human beings up hold the idea of peace. Locke and Hobbes each have interesting views on this subject, and address it in the ir renowned works: John Locke's Second Treatise of Government and Thomas Hobbes' Leviathan. The subject of peace for John Locke in his 'Second Treatise of Government' is viewed from a particular angle. ... t is not a state of licence: though man in that state have an uncontroulable liberty to dispose of his person or possessions, yet he has not liberty to destroy himself" (C H A P. II. Of the State of Nature: Sect. 6). This clearly refers to suicide, and that in a liberal society people are not supposed to take their lives. Locke further asserts that it is wrong to take anyone else's life too. He asserts that man " has not liberty to destroy himself, or so much as any creature in his possession" (C H A P. I I. Of the State of Nature: Sect. 6). If one takes his or her own life or anyone else's, peace in society would be disrupted, as people would be disturbed. Also, others might resort to the same action and worsen the situation. Natural Law: With regard to John Locke's idea above, he bases his reason for this on his explanation of mankind's origin. He asserts that human beings do not have complete freedom to make decisions. Human beings must consider what is right and what they are answerable to. Locke refers to belief in God through this view, and this is evident when he writes about the state of nature. Locke asserts, "The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions: for men being all the workmanship of one omnipotent" (C H A P. II. Of the State of Nature: Sect. 6). Therefore, Locke asserts that whenever one takes a step in society, s/he ought to consider what a higher authority expects of him or her. It needs to be emphasized here that this view requires one to have a firm belief in a superior being. Undoubt edly, it may be asserted that such belief does aim
Saturday, July 27, 2019
Business ethics. Social enterprise and business and poverty Essay
Business ethics. Social enterprise and business and poverty. Responsible investment - Essay Example This essay describes action of SELCO in her social entrepreneurship responsibility. SELCO has set example in social entrepreneurship both in India and worldwide. The company successfully presented solar electricity for lighting and power to the less privileged persons in the society. SELCO faced several challenges before succeeding in her operations and objectives in helping the poor. It initially grew purposely through gaining of enough capital and experience thus making it to attempt expanding her networks, which greatly interfered with her financial status. The company then increased the price of the solar panels thus causing a serious decline in the sales and the general operations of the company. Investors were not impressed by the decline of the business and forced the company to lay off employees and contract the business in 2000s. In 2008, SELCO acquired finance from the World Bank and International Finance Corporation to streamline the company although the company remained a for profit organization. However, the director of the company was able to obtain new investors who were aligned with the mission of the company thus making the company to keep her sales and service organization intact. The director was also able to boost the morale of the companyââ¬â¢s employee who helped it to continue devising innovative solar solutions. The company successfully devised the solar system that could suite specific needs of the needy urban and rural persons. This was indeed a very good way of achieving social entrepreneurship objective of fulfilling the society needs. SELCO was able to design solar panels that exactly met the needs of the society by beginning with a broad needs assessment of specific part or activity of the underprivileged people in the society (Crane and Matten 2010, p. 474-476). The company ensured that they designed solar panels for street vendors, midwives and even the rural farmers who were in dire of the solar panel. The redesigning process involved many different activities that would ensure that the needs of particular markets were met. The company ensured that her operations were client based thus causing it to restructure and redesign her solar panels. SELCO was able to acquire funds from the World Bank and IMF perhaps due to her social objectives. It also gained publication due to her social entrepreneurship objectives. The company also arranged for financial assistance for the rural people who could not afford to buy even the cheap user customized solar panels. This slowed the companyââ¬â¢s growth and made it to earn small levels of profit. The company could also not align her social objectives with the investors needs. Responsible Investment Responsible investment is one of the optimistic emerging trends in the financial world that integrates financial goals with positive business values that shapes the society future. Responsible investments vary because some companies may invest in the environmental factor s, employeesââ¬â¢ welfare or society effects such as smoking. Responsible investment is a very vital area in doing business since sustainable society is crucial to the companyââ¬â¢s values. Although it is important for organizations to reconcile societyââ¬â¢s needs and the business objectives, the main problem is linking the economic, social, and environmental advantages with the
Friday, July 26, 2019
Research Methods and Data Analysis Choosing the right method - Essay
Research Methods and Data Analysis Choosing the right method - qualitative methodologies - Essay Example Furthermore, the methodology is appropriate given that coping is dynamic, private, and contextual. The resurgence of qualitative studies in the social sciences goes with a tendency among qualitative researchers to depict qualitative inquiry as moral compared with quantitative research (willig, 2008). There are many methods of fact gathering in qualitative methodology. In sports, using diaries is an excellent method because they generate the rich set of data for subsequent content, and interpretive analysis. Diaries as a study method are acceptable and useable alongside qualitative interviews. Researchersââ¬â¢ processes of social life have made use of private diaries. Qualitative methodologies are subject to extensive use in sports because the existing quantitative methods have many limitations, and hence there may be many predecessor, mediating, and outcome variables to consider using the traditional quantitative system research. Thus, qualitative methods are preferable in a wide variety of research questions, including handling performance connected stressors, gender dissimilarities with interpersonal stress in teenage athletes, athletesââ¬â¢ injury, sports retirement, social physique anxiety, and muscularity problems (Hagger & Chatzisarantis,
Thursday, July 25, 2019
Florence Nightingale Assignment Example | Topics and Well Written Essays - 500 words
Florence Nightingale - Assignment Example Nightingale not only treated the soldiers but she started working for the improvement of the conditions of the military hospitals. She wrote books on nursing and with the help of aid from friends she started a nursing school at St Thomas's hospital. Florence Nightingale was a very ambitious lady who revolutionized the criteria's of nursing. Though belonging to a rich family she chose for herself the profession of nursing and tried to change the concept of the society that nursing was a profession for the working class women and not a very respectable line of work. It was the period of the 19th century when women were struggling for their rights. Florence Nightingale played a role in the movement and she faced all the challenges that came her way which included the government of that time. She used the newspapers as her tools and worked very hard for the purpose. Florence Nightingale was a very brave and confident lady. She set an example for the women of her time. Florence Nightingal e became a nurse though she belonged to a wealthy family and nursing at that time was a profession considered to be for the working class women.
Wednesday, July 24, 2019
Urban education Essay Example | Topics and Well Written Essays - 2250 words
Urban education - Essay Example Moreover, Ladson-Billings (2001, p.23) explained that urban areas are characterized by higher economic activities and the housing is dense. Consequently, due to high economic activities, urban areas have a culturally diverse population since masses from different cultural backgrounds move to these areas in search for employment opportunities. In UK, Ladson-Billings (2001, p.23) observes that early industrialization was characterised by segregation of people in different social classes, though this diminished with increased need for the working masses to be housed together. When different people congregate in urban areas, they lead to a new society through the process of urbanisation. Given the diverse nature of the lives of people in urban areas, there emerges difference in the way people become integrated into this society. The poor feel disadvantaged and they withdraw to living in the margins of the society while the well-off group feel well a sense of belonging in the group they live in. In response to the diverse socio-economic characterisation of the urban society, there are different issues that require to be addressed. These issues range from provision housing, waste management, poverty and provision of water and security. In addition, it is critical that the issues of provision of quality education for the young people in the urban centres are addressed. Brown (2004, p. 266) explains that urban schools are evidenced by inequalities and tension, given the high population and the various communities that they are entrusted to teach. Gay (2000, p. 12) notes that urban schools are currently located both in the inner cities and in some rural environments have varied issues they need to address. Brown (2002, p.23) argues that research in urban schools have been for a long time inclined to the problems but they fail to focus on the contributions that these schools can make to the wider society. Brown (2002, p.23) describes that
Vail-Colorado Research Paper Example | Topics and Well Written Essays - 2000 words
Vail-Colorado - Research Paper Example In 1992 Apollo Partners purchased Vail Associates, which in turn became Vail Resorts Inc., which was followed by the acquisition of ski resorts Keystone and Breckenridge. The acquisition of these ski resorts was a major change that helped Vail succeed in the long run by appealing to a broader market. Both Keystone and Breckenridge have lower prices than Vail Mountain, and attract more single- and college-aged customers (Vail Resorts). The company then added the Real Estate segment which comprised 6 percent of the company's total revenues in 2004. Mountain revenues account for 69 percent, and revenues from lodging activities account for the remaining 25 percent. Having these additional revenues allowed Vail to establish itself and provide a greater level of customization to its guests. Owning a house on the mountain allowed skiers to visit more frequently during the winter season, as well as have a getaway during the summer season (Vail Resorts). Vail owns four different ski resorts in Colorado, a resort in Lake Tahoe California, as well as a summer resort in Grand Teton. Along with these six resorts, Vail owns Rock Resorts which is a management company that "manages 10 luxury resort hotels across the United States" (Vail Resorts). Vail Resorts offers a complete package to the vacationer of all ages... The majority of Vail Resort's visitors are there for the challenging ski terrain and the top quality service. Vail offers some of the most challenging ski terrain Colorado has and offers instructional courses for beginning to expert skiers. Select resorts have begun offering instructional ski lessons for select individuals. Classes such as: over the age of 50 only, female only, and kids Ski Zone packages have been implemented to provide the skier a more comfortable learning experience. They have recently started to offer amenities that fit the eye of the snowboarders dream. Many of the resort now offer snowboarder parks that include rails, pipes, jumps, terrain parks, and much more. For the person that prefers not to ski for the day, other activities are offered that allow them to enjoy the great outdoors without hitting the slopes. Activities such as ice skating, tubing, ski biking, snowshoeing, snowmobile tours, hiking trails, golf courses, hot-air balloon rides, and even a kid's s nowmobile racetrack has been added to the list for the visitor's pleasure. (Snow, 2005) Many indoor activities are offered at Vail Resorts as well. The most enjoyable indoor attraction is the many shopping areas the various resorts have to offer. There is a variety of shops where you can find gifts, souvenirs, jewelry, art, clothing, and much more. Other activities Vail Resorts offer will include museums, comedy shows, health spas, amphitheaters, arcades, indoor ice skating, bowling, and a variety of night clubs and bars. (Snow, 2005) Vail Resorts targets the consumer that trends more towards the upper class in society. These customers are willing and able to pay the top price in the industry to get
Tuesday, July 23, 2019
India Essay Example | Topics and Well Written Essays - 1000 words
India - Essay Example Hinduism practices a diversity of beliefs. The first and major belief of Hinduism is the belief in the sacred reality, which is founded upon Brahman. Brahman is the ultimate authority on sacred reality. He is considered as the manifest basis of the entire unmanifest (Griffin, 1). This means that Brahman is the manifestation of all the Vedic gods and this makes him the creator and the creation itself. He thus considered being eternal, changeless, perfect and absolute (Griffin, 1). The effect of this belief in humanity is the foundation of the belief in a supreme being. Human beings practice religion due to the belief in a supreme being, which is seen as the source of creation and authority on earth. The Supreme Being is depicted as one that must be accorded respect and obedience to its laws and teachings. It is this belief in a Supreme Being that evidences the aspect of humanity that demands respect to be accorded to the Supreme Being. The belief on life, death and reincarnation taugh t by Brahman is an indication of the perceptions held by human beings on life after death and the origin of life. The second vision of India is founded upon the teachings of Buddha. Unlike Hinduism, Buddhism dies not believe in creation or the existence of a creator god. It instead teaches on the impermanence of all reality and the need to focus on experiencing the present. It also teaches on the absence of an entity within the human body. This means that contrary to other human religions that lay an emphasis on the human soul, Buddhism does not place any belief on the existence of the human soul. Rather, it places belief on reincarnation and the need to preserve high standards of morality. In this respect, Buddhism explains humanity as independent existence guided by faith and high moral codes (Griffin, 1). Sikhism, on the other hand, has some degree of monotheism. It places belief on all powerful, magnificent, and immanent being. As opposed to the other visions, Sikhism place beli ef on creation. It insists that the world was created by the utterance of god. This view explains the source of humanity as originating as a creation by the divine being. According to this vision, humanity arose by creation. Jainism, like Buddhism and Hinduism, does not believe in creation but rather in reincarnation as the source of humanity. However, as opposed to the other visions, it places firm belief on the law of nature. This is the law of Karma, which may be described as the human soul, and is responsible for governing human conduct through the notion that bad deeds collect on the karma making it sticky. All these visions of India, though dissimilar in some aspects, converge on the insistence of divinity arising from nature. It is this convergence in these visions that may be used to argue that these similarities form the Indian vision on humanity. 2 The views of the visions of India are different from Europe and North East countries. The ââ¬Ëmother visionââ¬â¢ of Indi a is Hinduism that has influenced other religions in a great way. The religions affected in India are Islam, Christianity, Sikhism, Buddhism, Jainism and Bahaââ¬â¢i. India has accepted different religions to be practiced by its citizens and has fostered on the freedom of worship, which has been the main factor that has promoted the diverse worship of religion. The vision, Hinduism refers to different types of believes and religion practices that religious individuals practices to their different
Monday, July 22, 2019
Magnetic Tape Essay Example for Free
Magnetic Tape Essay Magnetic tape is a medium for magnetic recording, made of a thin magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany, based on magnetic wire recording. Devices that record and play back audio and video using magnetic tape are tape recorders and video tape recorders. A device that stores computer data on magnetic tape is a tape drivOver years, magnetic tape can suffer from deterioration called sticky-shed syndrome. Caused by absorption of moisture into the binder of the tape, it can render the tape unusable. Merits: Capacity * One of the key advantages of magnetic tape is its capacity for holding data. Magnetic tape was the first medium able to hold a feature-length movie on a small, inexpensive device, thus enabling the home video market of the 1980s. In addition, compact cassettes can hold music on both sides, giving them a 90-minute total playing time, which is even greater than most CDs. Editing * Magnetic tape is also easy to edit using a traditional linear-editing system. This can involve duplicating a portion of a tape to a master reel, or physically cutting the tape and attaching the desired portions together with glue, splicing cement or adhesive tape. Editing in this manner requires no special computer equipment and may be less expensive and/or easier to learn than nonlinear digital editing. DEMERITS: Generation Loss * One of the disadvantages of magnetic tape is generation loss, which refers to the fact that each successive copy of a tape loses quality compared to the original. This can make it difficult to use magnetic tape for editing-intensive projects, or when extremely high fidelity is important. Digital media, on the other hand, can be copied and reproduced indefinitely with no visible or audible difference between the original and any of its copies. Durability * Another problem with magnetic tape is its tendency to stretch out over time, causing the quality of the data to deteriorate. On old video tapes, this generally appears in the form of poor audio, and picture data can eventually suffer as well. Over time magnetic tape acquires a layer of magnetic debris from recording and playback heads, which may need to be cleaned periodically to continue functioning. Mechanical Complexity * The mechanical complexity needed to use magnetic tape is another disadvantage of the medium. Items like cassette and VHS tapes include two separate reels, as well as a mechanism for exposing a small portion of the tape inside a player or recording device. Reel-to-reel tape players use multiple motors and moving parts, each of which is susceptible to mechanical failure. In the realm of digital media, flash-based memory uses no moving parts, thus eliminating this problem. Advantages and Disadvantages of a USB Flash Drive February 27, 2012 Advantages and disadvantages Advantages Compared to hard drives, flash drives use little power, have no fragile moving parts, and for most capacities are small and light. Data stored on flash drives is impervious to mechanical shock, magnetic fields, scratches and dust. These properties make them suitable for transporting data from place to place and keeping the data readily at hand. Flash drives also store data densely compared to many removable media. In mid-2009, 256 GB drives became available, with the ability to hold many times more data than a DVD or even a Blu-ray disc,[2] Most personal computers support USB as of 2010. Flash drives implement the USB mass storage device class so that most modern operating systems can read and write to them without installing device drivers. The flash drives present a simple block-structured logical unit to the host operating system, hiding the individual complex implementation details of the various underlying flash memory devices. The operating system can use any file system or block addressing scheme. Some computers can boot up from flash drives. Specially manufactured flash drives are available that have a tough rubber or metal casing designed to be waterproof and virtually ââ¬Å"unbreakableâ⬠. These flash drives retain their memory after being submerged in water, and even through a machine wash. Leaving such a flash drive out to dry completely before allowing current to run through it has been known to result in a working drive with no future problems. Channel Fiveââ¬Ës Gadget Show cooked one of these flash drives with propane, froze it with dry ice, submerged it in various acidic liquids, ran over it with a jeep and fired it against a wall with a mortar. A company specializing in recovering lost data from computer drives managed to recover all the data on the drive.[42] All data on the other removable storage devices tested, using optical or magnetic technologies, were destroyed. Disadvantages Main article: Flash memory#Limitations Like all flash memory devices, flash drives can sustain only a limited number of write and erase cycles before the drive fails.[43][unreliable source?][44] This should be a consideration when using a flash drive to run application software or an operating system. To address this, as well as space limitations, some developers have produced special versions of operating systems (such as Linux in Live USB)[45] or commonplace applications (such as Mozilla Firefox) designed to run from flash drives. These are typically optimized for size and configured to place temporary or intermediate files in the computerââ¬â¢s main RAM rather than store them temporarily on the flash drive. Most USB flash drives no longer include a write-protect mechanism, although a small number have a switch on the housing of the drive itself to keep the host computer from writing or modifying data on the drive. Write-protection makes a device suitable for repairing virus-contaminated host computers without risk o f infecting the USB flash drive itself. A write-locked SD card in a USB flash card reader adapter is an effective way to avoid any writes on the flash medium. The SD card as a WORM device has an essentially unlimited life. A drawback to the small size is that they are easily misplaced, left behind, or otherwise lost. This is a particular problem if the data they contain are sensitive (see data security). As a consequence, some manufacturers have added encryption hardware to their drivesââ¬âalthough software encryption systems which can be used in conjunction with any mass storage medium achieve the same thing. Most drives can be attached to keychains, necklaces and lanyards. The USB plug is usually fitted with a removable and easily lost protective cap, or is retractable. USB flash drives are more expensive per unit of storage than large hard drives, but are less expensive in capacities of a few tens of gigabytes as of 2011 Maximum available capacity is increasing with time, but is less than larger hard drives. This balance is changing, but the rate of change is slowing.. Most USB based flash technology integrates a printed circuit board with a metal tip which is simply soldered on. As a result the stress point is where the two pieces join. Some manufacturers quality control does not ensure a proper solder temp further weakening the stress point. Since many Flash Drives stick out from a users laptop or PC they are likely to be bumped repeatedly in their life time and may break at the stress point. Most of the time a break at the stress point results in permanent damage to the printed circuit board where the joint is torn from the circuit. However, some manufacturers produce discreet flash drives that do not stick out and others use a solid metal uni-body that has no easily discernible stress point.
Sunday, July 21, 2019
Immigration In America
Immigration In America Immigration played a very important role in American history and is perhaps one of the greatest controversial issues of our present time. There are many sides to immigration, and no matter where you are from, most views on immigration are saddening. Most immigrants lead lives that the rest of us only read about in books. Something that we must remember is that at one time in our history, American encouraged relatively open immigration to settle its empty lands before the era of rapid communications and transportation. Mexicos relationship to the United States has a long history. In 1835 Texas, then Mexican territory, declared its independence and ten years later was annexed to the United States. After that came the U.S.-Mexican War. When it was over, the U.S. had acquired half the land that once belonged to Mexico, including all or parts of Arizona, California, Colorado, Nevada, New Mexico, Texas, Utah, and Wyoming. With the land, the United States of course got Mexicans, many of them. The California Gold Rush brought in more, and others came later, lured by the prospect of making a better living here. Sometimes the Mexicans were invited, as they were during World War II by a treaty that allowed an unlimited number of temporary workers to fill agricultural jobs here. By the end of the program in 1964, more than 4.5 million Mexicans had come to work temporarily in the United States, far exceeding the number of permanent legal immigrants. Legal immigration, which had also increased steadily over the years, was eventually checked. But illegal immigrants, without having to cross an ocean to get there as did immigrants from Europe and Asia, started pouring in at the rate of hundreds of thousands a year. By the early 1980s, some 55 percent of all undocumented immigrants in the U.S. came from Mexico, accounting for an estimated two-thirds of all Mexican immigration. The U.S. government has cracked down over the years. It has erected barbed wire fences and high metal walls along the long border. It has raided businesses that purposely employ illegal workers in order to pay lower wages. Some of these businesses degrade the immigrant. They make them work endless hours and they do not pay overtime. They offer no insurance benefits and they allow them to live in very poor living conditions. Most of the immigrants do not know their rights. But still the immigrants come, sometimes risking their lives to cross the guarded borders, and when they do, most manage to keep their ties to their families in Mexico, something that few other immigrant groups can do. Immigration has lasted for many decades and to this day it shows little sign of slowing down. Immigrants come into the United States from all over the world. They come in for reasons such as to gain a better or higher education. Some come in seeking their fortune. Most immigrants come in to the United States because they have nothing, and only want to be able to survive. This is especially true for Mexican immigrants because of their countrys poverty. The United States became a poor Mexicans protection, his escape hatch, his alternative to the submission expected of him in the Old World. This may jar Americans who see the rough lives many immigrants leadà ¢Ã¢â ¬Ã ¦To the man who departs pesoless yet returns with cash to spend, the United States affords dignity, respect, and sweet vindication. 1. Sam Quinones, Antonios Gun and Delfinos Dream. (Albuquerque: University of New Mexico Press, 2007), 8. Not every man that leaves their county to seek a better life in the United States of America is able to fulfill their dream. This may be because some U.S. companies may contribute unwittingly to the exploitation of foreign workers. According to an article written in Business Week by Steve Hamm and Moira Herbst, In some cases companies target young men and women hungry to get well-paid tech jobs in the United States and charge them with exorbitant fees for visas, which is not allowed under American immigration laws. Even after paying, some workers never get a visa; those who do may find that the company they paid has no job for them. 2 Steve Hamm and Moira Herbst, Business Week: Americas High-Tech Sweat Shops, (The McGraw-Hill Companies, October 12, 2009), p. 034. Those immigrants that go back to Mexico to leave their families money and gifts are demonstrating to their people some of the American ways. Millions of money is transported from the U.S. into Mexico every year by illegal immigrants. Yet there are those times when law enforcers humiliate the immigrants by taking their belongings away from them. They take their hard earned money and the immigrants are deported, going home with nothing to show and penny-less as before. Then there are those that not only take their belongings, but also abuse them. The book Tangled Destinies: Latin America The United States by Coerver and Hall, talks about many incidents dealing with immigration. Two particular incidents really caught my attention. This is what I read, Two incidents in 1996 brought the tensions over illegal immigration, particularly from Mexico, into high relief. On 1 April 1996, Riverside County sheriffs deputies in southern California were videotaped beating two unresisting illegal al iens, while others scattered, after an hour-long, high-speed chase. One was a woman, Alicia Sotero Vasquez, who was dragged by her hair out of the pickup in which the illegals had been riding. Clearly ill and terrified, she appeared on television the next day with the Mexican consul to protest her treatment. Latino protests in Los Angeles accelerated through the week, culminating but not ending in a 6,000-person protest march in downtown Los Angeles on April 7. He two aliens brought suit against the County, later settling for $740,000. 3 Don M. Coerver, Linda B. Hall, Tangled Destinies: Latin America The United States, (Albuquerque: The University of New Mexico Press, 1999), p. 214. The second incident involved seven migrants that were killed in an accident. They were assumed planning to evade the Border Patrol and instead had a taste of bad luck and ended up in a ditch. In neither of these two cases were the victims immediately identified, when to begin with the victims in both ca ses were supposed to have been smugglers that the Border Patrol was searching for. Unfortunately the real smugglers got away while innocent people were brutalized and some even killed. The question is, Could this have been prevented if handled differently by law officers? The Mexican migrant, also known as a Wetback, who only violates the immigration law does not consider himself a criminal or lawbreaker. He is playing a game, trying to outwit the authorities, in hopes of bettering himself. To be sure the stakes are high (his survival), but there are few sanctions. If he stays clear of the drug traffic, stealing, drunkenness, fighting, etc., that is if he does not violate local, state, or other federal laws, the worst that can happen to him when apprehended is a trip to the closest detention center. He is held there for a short period of time and then he is taken back to Mexico. This procedure seems a rather inconvenience because, more than likely, the immigrant heads for the United States once again, in hopes of returning to his job. Knowing the life in the U.S. as compared to the one in Mexico will keep him going back, regardless of the inconvenience. Becoming a wetback has been more the role of the male, since it entails long journeys, working with groups of men, hard labor, and a dangerous undertaking. A small percentage of the aliens who are apprehended are women and children. Unskilled women can work in a variety of jobs in agriculture, as dishwashers in restaurants, as hotel maids, as housemaids, or in custodial jobs. Nevertheless; they are most likely treated like the slaves of our history. Why would any individual in Mexico want to play this game? Many times they learn of commuters and they hear the exaggerated stories about the wealth of the United States, the jobs available, the high wages and the ease of crossing the border. It is not difficult to comprehend the poverty-induced desperation which will compel a man to endure whatever hardship and humiliation in order to be able to obtain a few pesos for the sheer survival of his family and himself. Most wetbacks understand that they will not be successful. But when one is at the bottom of the social heap, there is no place or position below. This leaves people with hope. Hope that they can hold on to a job without official detection. Many wetbacks have high aspirations. Some talk of saving money to buy land back in Mexico. Others seek to buy a car and go into the taxi business. Some wetbacks may allow themselves to be apprehended by border patrol agents because they feel that the United States prisons offer more than the poor rural areas in which they reside. Once they are apprehended though, they realize that they have to commit a crime or violate deportation regulations in order to actually be imprisoned. The results, they commit a crime and hope to get caught. Once in prison in the United States, they are provided with medical care, adult education classes, good clothes, warm and fairly comfortable living accommodations, and three meals per day. It is also possible for a prisoner to work in one of several occupations and send a check home to the family. In his book, Immigration: Opposing Viewpoints, Marcus Eli Ravage writes that Immigrants cannot easily become part of the American culture. He writes about living conditions that are degrading to immigrants and about the never ending hours of labor that immigrants work in sweatshops or on the streets. They pay high rent as if they were paying for extravagant apartments, yet this is not the case. 4 Marcus Eli Ravage, Immigration: Opposing Viewpoints. (San Diego: Greenhaven Press), l992. This book has different viewpoints on immigration. Lets look at illegal immigration in a different prospective. Yes, it is human to feel sadness for the migrant that is only trying to survive. Many of us Americans are doing the same thing. Some of us multitask with two and even three jobs. Some of us are lower-class American citizens, yet others are even classified below that, which is poverty. Look at the many single-parent families in America. These families, when facing tragedys such as divorce, fall from one class to another in a matter of days. What about the many Americans being laid off? They are losing their homes, and have to completely change their lifestyles. Some are working jobs they never before thought they would. For the many families in crisis in America, life for them is similar to the lives that most migrants have to face. Sometimes the only difference is that we are American citizens, and they are not. Another issue is that in which a migrant is hired for a job before an American because of the ability for the employer to pay lower wages, and be okay with it. Most migrants accept what is offered, as long as they are able to provide for their families. This causes ill feelings towards Americans that are also trying to provide for their own families. Sometimes people have immigrant women cleaning their houses for very low wages, and when those employees are no longer with them, they find it hard to pay higher wages to the U.S. citizen willing to do the job. Who is in the wrong? People have different opinions about issues such as these. Many say that America is supposed to be the land for ALL people. What happens when there are more people than there are resources, such as in Africa where people are dying of starvation? There is not enough medicine for everyone so people are dying of many illnesses. This is not what America wants to happen. Yet there are millions of immigrants coming into the United States. Yes, some become legal immigrants in time. But do they abide by our laws? Do they make an effort to learn the English language? Or do they tell you they do not speak English. It seems that they want to be here so bad yet they do not care to learn the language. An article in the USA Today, July 30, 2010 issue talks about the problems that the state of Arizona is encountering as a consequence of illegal immigration. A retired Army sergeant says that when he approaches Spanish-speaking grocery store clerks in his hometown of Buckeye, near Phoenix, they rarely help him. They reply, No Ingles. 5 Alan Gomez and Kevin J ohnson, USA Today, Friday, July 30, 2010. 3A. Many states feel that the federal government is not controlling the illegal immigrants coming into the states. They feel that as a result our schools are overcrowded. There is much more violence in our cities, and states are facing economic and environmental problems. 6 USA, 3A. Is it time to put a stop to this ongoing situation that has worsened throughout the years? An Arizona Republican Governor, Jan Brewer definitely believes that the problem must be addressed. Jan Brewer is taking the immigration crisis in Arizona into her own hands. A new immigration law, the Arizona SB 1070 law, requires police to check the immigration status of people they lawfully stop and suspect are in the country illegally. Other states have immigrant laws as well. Colorado restricts undocumented immigrants from receiving in-state tuition. Nebraska requires verification of immigration status to obtain public benefits. There are hundreds of immigration-related laws on the books across the United States that regulate employment, law enforcement, education, benefits and health care, but Arizonas strict new law has generated the most controversy. As a result many people have been arrested for protesting and causing chaos in Arizona. According to the El Paso Times, The U.S. Department of Justice filed a lawsuit to stop the Arizona law from taking effect on July 29, saying that immigration policy is a national responsibility and a patchwork of state laws will only create more problems than it solves. 7 El Paso Times, June 18, 2010, 4A. But according to experts, that is precisely what exists. During the first three months of 2010, lawmakers introduced more than 1,000 bills and resolutions, though it is too early to tell how many will become law. Bills on topics such as employment verification and drivers license requirements are on the table in 45 states. Legislators in five states-South Carolina, Pennsylvania, Minnesota, Rhode Island and Michigan-have introduced similar bills to Arizonas SB 1070. 8 El Paso Times, 4A. Many believe that because of the federal governments negligence to face immigration responsibilities the states are scrambling. States have a long history of enacting immigration laws. In 1996, after Congress denied welfare to most legal immigrants, states stepped in with laws to provide safety-net services. After the September 11 attacks, state lawmakers passed bills aimed at protecting national security. People were concerned about dangerous immigrants in their midst and thought they should take matters into their own hands. The increase in state laws parallels the changing settlement patterns of undocumented immigrants. Between 1990 and 2008, illegal immigration slowed significantly in California but grew in Georgia, North Carolina and other states because those states are not the typical immigrant-receiving states and therefore are not accustomed to having large immigrant populations. Because of this Arizona law, undocumented immigrants who decide to leave the United States because of increasing enforcement and decreasing job prospects now face one more obstacle: the threat of arrest and deportation by border officers inspecting outbound traffic. When illegal immigrants are detected trying to leave the country, they are not just ushered across the line. Instead, their information is entered into a database before they are allowed to return to Mexico. 9 The Arizona Republic, Aug.3,2010. The objective is not to deter illegal immigrants who want to leave America but to catch those who have criminal records or are involved in smuggling. Round the clock screening of southbound traffic is being conducted by officials. The scrutiny is designed to catch smugglers delivering currency and firearms to Mexican cartels. Immigrants coming into the United States for the purpose of doing illegal activity will have to face consequences. Arizonas climate is scorching hot and almost unbearable in the summer. Temperatures may go up to the 120s, especially in the desert. Whatever the temperature, people are still making the attempt to get into the United States, but more than ever, people are risking their lives to return home, regardless of the heat. Associated Presss Amanda Lee Myers writes that The number of deaths among undocumented immigrants crossing the Arizona desert from Mexico is soaring so high this month that the medical examiners office that handles the bodies is using a refrigerated truck to store some of them. 10Associated Press, July 18, 2010. Myers writes that Dr. Bruce Parks, a medical examiner in Pima, Arizona has stated that his office, which handles immigrant bodies from three counties, is storing 250 immigrant bodies from July 1 to July 15.11 Associated Press, 4A. Authorities believe the high number of deaths are likely due to above-average and unrelenting heat in southern Arizona this month and on going tighter border security that pushes immigrants to more re mote, rugged and dangerous terrain. KOAT TV meteorologist Joe Diaz reported in mid July that Tucsons average nighttime lows in the first 15 days of July are the hottest for that period in recorded history. What is our President doing about this new Arizona immigration law? President Obama told the nation that he wants a nationwide immigration law. He wants immigration reform and says that Arizona has taken a step in the wrong direction. President Obama gave a speech on immigration on July 1, laying out his case for bipartisan immigration reform and calling out Republicans for uniformly opposing an initiative some of them supported when it was proposed by President Bush. The only thing Arizonas law will produce is chaos: Obama was right to take particular notice of the extremism of Arizona, says The New York Times in an editorial.12 The New York Times, July 2, 2010. The Times goes on to state, Its deeply unjust immigration law isnt just an invitation to racial profiling, but also a usurpation of federal authority and a prelude to the chaos that will ensue if different states have different immigration rules. Obamas right that illegal immigration cant really be handled in a piecemeal fas hion, says The Denver Post in an editorial, but that doesnt just apply to states taking the law into their own hands. Thanks in part to Arizonas law, the already overworked federal courts that handle immigration law are about to drown in cases. For border enforcement to work, Obama needs to hire more judges. Hasty immigration politics leaves courts overwhelmed. 13 The Denver Post, July 2, 2010. Obama warned of a patchwork of immigration laws arising as states and localities go their own ways. Barack Obama says he does not approve or oppose the boycotts that some cities and groups have called for in response to the Arizona law, which makes it a crime under state law to be in the country illegally. He reaffirmed his opposition to the law, saying its the wrong approach. He has asked the Justice Department to review the law to determine whether it violates civil liberties. Obama says he will continue to push lawmakers to work on a bipartisan approach to comprehensive immigration reform. Immigration played a very important role in American history, and like I stated before, it is perhaps one of the greatest controversial issues of our present time. Yes, I will continue to feel saddened by the experiences that so many people live. My belief is that we are all created equal and we all come from the heavens above, but unfortunately the world is different for all of us, and not always are we all free to live our lives as we choose. I do not care for the drug trafficking taking place, nor do I care for the violent crimes being committed by so many immigrants. I do believe that the federal government has allowed this to happen over the years. If Americas lax immigration system would come to an end and instead enforce its immigration laws with not only consistency but also common sense, America would be a safer place for all of us. For the immigrants crossing the border, sufficient law enforcement is the only way to keep them from entering the United States. For those immigrants coming in by sea or air, we must have strict policies and we must make sure that the people working at entry points do their jobs in assessing the security needed to keep illegal migrants from entering the U.S. Airport inspectors, no matter what delays they may be encountering, must carefully examine visas before stamping their approval. They must request required documentation, regardless of the hassle it may involve. As Americans, we do not want our country to become like Africa, with so many people that it cannot provide for them. We want to have plenty of resources, and we want to live freely, as our country is The Land of the Free. End Notes Alan Gomez and Kevin Johnson, USA Today, Friday, July 30, 2010. 3A Ibid.,3A. Associated Press, July 18, 2010, 1A. Ibid., 1A Don M. Coerver and Linda B. Hall, Tangled Destinies: Latin America and the United States, (Albuquerque: The University of New Mexico Press), 1999. Kevin Kiley, The Arizona Republic, August 3, 2010. Marcus Eli Ravage, Immigration: Opoosing Viewpoints. Viewpoint 2. (San Diego: Greenhaven Press), 1992. Ramon Bracamontes, Immigration, El Paso Times, June 18, 2010, 4A. Ibid., 4A Sam Quinones, Antonios Gun and Delfinos Dream, (Albuquerque: University of New Mexico Press), 2007. Steve Hamm and Moira Herbst, Americas High-Tech Sweatshops, Business Week. October 12, 2009, Pages 34-39. The Denver Post, July 2, 2010. The New York Times, July 2, 2010.
The Electromagnetic Waves And Spectrum
The Electromagnetic Waves And Spectrum The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation. The electromagnetic spectrum of an object is the characteristic distribution of electromagnetic radiation emitted or absorbed by that particular object. The electromagnetic spectrum is a continuum of all electromagnetic waves arranged according to frequency and wavelength. The electromagnetic spectrum extends from low frequencies used for modern radio to gamma radiation at the short-wavelength end, covering wavelengths from thousands of kilometres down to a fraction of the size of an atom. The long wavelength limit is the size of the universe itself, while it is thought that the short wavelength limit is in the vicinity of the Planck length, although in principle the spectrum is infinite and continuous. The sun, earth, and other bodies radiate electromagnetic energy of varying wavelengths. Electromagnetic energy passes through space at the speed of light in the form of sinusoidal waves. The wavelength is the distance from wave crest to wave crest (see figure below). Light is a particular type of electromagnetic radiation that can be seen and sensed by the human eye, but this energy exists at a wide range of wavelengths. The micron is the basic unit for measuring the wavelength of electromagnetic waves. The spectrum of waves is divided into sections based on wavelength. The shortest waves are gamma rays, which have wavelengths of 10e-6 microns or less. The longest waves are radio waves, which have wavelengths of many kilometres. The range of visible consists of the narrow portion of the spectrum, from 0.4 microns (blue) to 0.7 microns (red). RANGE OF THE SPECTRUM EM waves are typically described by any of the following three physical properties: the frequency f, wavelength ÃŽà », or photon energy E. Frequencies range from 2.4ÃÆ'-1023 Hz (1 GeV gamma rays) down to the local plasma frequency of the ionized interstellar medium (~1kHz). Wavelength is inversely proportional to the wave frequency, so gamma rays have very short wavelengths that are fractions of the size of atoms, whereas wavelengths can be as long as the universe. Photon energy is directly proportional to the wave frequency, so gamma rays have the highest energy (around a billion electron volts) and radio waves have very low energy (around femto electron volts). These relations are illustrated by the following equations: Where: c = 299,792,458 m/s is the speed of light in vacuum and h = 6.62606896(33) ÃÆ'-10à ¢Ãâ ââ¬â¢34 J s = 4.13566733(10) ÃÆ'-10à ¢Ãâ ââ¬â¢15 eV s is Plancks constant. Whenever electromagnetic waves exist in a medium with matter, their wavelength is decreased. Wavelengths of electromagnetic radiation, no matter what medium they are travelling through, are usually quoted in terms of the vacuum wavelength, although this is not always explicitly stated. Generally, EM radiation is classified by wavelength into radio wave, microwave, infrared, the visible region we perceive as light, ultraviolet, X-rays and gamma rays. The behaviour of EM radiation depends on its wavelength. When EM radiation interacts with single atoms and molecules, its behaviour also depends on the amount of energy per quantum (photon) it carries. Spectroscopy can detect a much wider region of the EM spectrum than the visible range of 400 nm to 700 nm. A common laboratory spectroscope can detect wavelengths from 2 nm to 2500 nm. Detailed information about the physical properties of objects, gases, or even stars can be obtained from this type of device. Spectroscopes are widely used in astrophysics. For example, many hydrogen atoms emit a radio wave photon which has a wavelength of 21.12 cm. Also, frequencies of 30 Hz and below can be produced by and are important in the study of certain stellar nebulae and frequencies as high as 2.9ÃÆ'-1027 Hz have been detected from astrophysical sources. - The Spectrum of Electromagnetic Waves While the classification scheme is generally accurate, in reality there is often some overlap between neighbouring types of electromagnetic energy. For example, SLF radio waves at 60 Hz may be received and studied by astronomers, or may be ducted along wires as electric power, although the latter is, strictly speaking, not electromagnetic radiation at all (see near and far field) The distinction between X and gamma rays is based on sources: gamma rays are the photons generated from nuclear decay or other nuclear and sub nuclear/particle process, whereas X-rays are generated by electronic transitions involving highly energetic inner atomic electrons. Generally, nuclear transitions are much more energetic than electronic transitions, so usually, gamma-rays are more energetic than X-rays, but exceptions exist. By analogy to electronic transitions, muonic atom transitions are also said to produce X-rays, even though their energy may exceed 6 mega electron volts (0.96 pJ), whereas there a re many (77 known to be less than 10 keV (1.6 fJ)) low-energy nuclear transitions (e.g. the 7.6 eV (1.22 aJ) nuclear transition of thorium-229), and despite being one million-fold less energetic than some muonic X-rays, the emitted photons are still called gamma rays due to their nuclear origin. Also, the region of the spectrum of the particular electromagnetic radiation is reference-frame dependent (on account of the Doppler shift for light) so EM radiation which one observer would say is in one region of the spectrum could appear to an observer moving at a substantial fraction of the speed of light with respect to the first to be in another part of the spectrum. For example, consider the cosmic microwave background. It was produced, when matter and radiation decoupled, by the de-excitation of hydrogen atoms to the ground state. These photons were from Lyman series transitions, putting them in the ultraviolet (UV) part of the electromagnetic spectrum. Now this radiation has undergone enough cosmological red shift to put it into the microwave region of the spectrum for observers moving slowly (compared to the speed of light) with respect to the cosmos. However, for particles moving near the speed of light, this radiation will be blue-shifted in their rest frame. The highest energy cosmic ray protons are moving such that, in their rest frame, this radiation is blueshifted to high energy gamma rays which interact with the proton to produce bound quark-antiquark pairs (pions). This is the source of the GZK limit Radio Waves: whose wavelength range from more than 104 m to about 0.1m, are the results of charges accelerating through conducting wires. They are generated by such electronic devices as LC oscillators and are used in radio and television communication systems. Radio waves generally are utilized by antennas of appropriate size (according to the principle of resonance), with wavelengths ranging from hundreds of meters to about one millimetre. They are used for transmission of data, via modulation. Television, mobile phones, wireless networking and amateur radio all use radio waves. The use of the radio spectrum is regulated by many governments through frequency allocation. Radio waves can be made to carry information by varying a combination of the amplitude, frequency and phase of the wave within a frequency band. When EM radiation impinges upon a conductor, it couples to the conductor, travels along it, and induces an electric current on the surface of that conductor by exciting the electrons of the conducting material. This effect (the skin effect) is used in antennas. EM radiation may also cause certain molecules to absorb energy and thus to heat up, causing thermal effects and sometimes burns. This is exploited in microwave ovens. Microwaves: The super high frequency (SHF) and extremely high frequency (EHF) of microwaves come next up the frequency scale. Microwaves are waves which are typically short enough to employ tubular metal waveguides of reasonable diameter. They have wavelengths ranging from approximately 0.3m to 10-4 m and are also generated by electronic devices. Because of their short wave lengths, they are well suited for radar system and for studying atomic and molecular properties of matter. Microwave ovens are an interesting domestic application of these waves. It has been suggested that the solar energy could be harnessed by beaming microwaves to the earth from a solar collector in space. Microwave energy is produced with klystron and magnetron tubes, and with solid state diodes such as Gunn and IMPATT devices. Microwaves are absorbed by molecules that have a dipole moment in liquids. In a microwave oven, this effect is used to heat food. Low-intensity microwave radiation is used in Wi-Fi, although this is at intensity levels unable to cause thermal heating. Volumetric heating, as used by microwaves, transfer energy through the material electromagnetically, not as a thermal heat flux. The benefit of this is a more uniform heating and reduced heating time; microwaves can heat material in less than 1% of the time of conventional heating methods. When active, the average microwave oven is powerful enough to cause interference at close range with poorly shielded electromagnetic fields such as those found in mobile medical devices and cheap consumer electronics. Infrared Waves: have wavelengths ranging from approximately 10-3m to the longest wavelength of visible light, 710-7m. These waves, produced by molecules and room temperature objects, are readily absorbed by most materials. The infrared energy absorbed by a substance appears as internal energy because the energy agitates objects atoms, increasing their vibrational or translational motion, which results in a temperature increase. Infrared radiation has practical and scientific applications in many areas, including physical therapy, IR photography and vibrational spectroscopy. The infrared part of the electromagnetic spectrum covers the range from roughly 300 GHz (1 mm) to 400 THz (750 nm). It can be divided into three parts: Far-infrared, from 300 GHz (1 mm) to 30 THz (10 ÃŽà ¼m). The lower part of this range may also be called microwaves. This radiation is typically absorbed by so-called rotational modes in gas-phase molecules, by molecular motions in liquids, and by phonons in solids. The water in the Earths atmosphere absorbs so strongly in this range that it renders the atmosphere effectively opaque. However, there are certain wavelength ranges (windows) within the opaque range which allow partial transmission, and can be used for astronomy. The wavelength range from approximately 200 ÃŽà ¼m up to a few mm is often referred to as sub-millimetre in astronomy, reserving far infrared for wavelengths below 200 ÃŽà ¼m. Mid-infrared, from 30 to 120 THz (10 to 2.5 ÃŽà ¼m). Hot objects (black-body radiators) can radiate strongly in this range. It is absorbed by molecular vibrations, where the different atoms in a molecule vibrate around their equilibrium positions. This range is sometimes called the fingerprint region since the mid-infrared absorption spectrum of a compound is very specific for that compound. Near-infrared, from 120 to 400 THz (2,500 to 750 nm). Physical processes that are relevant for this range are similar to those for visible light. Visible light: It is the most familiar form of electromagnetic spectrum the human eye can detect. Light is produced by the rearrangement of electrons in atoms and molecules. The various wavelengths of visible light, which correspond to different colours, range from red (ÃŽà »=710-7) to violet (ÃŽà »=410-7). The sensitivity of the human eye is a function of wavelength, being a maximum of 5.510-7m. This is the range in which the sun and stars similar to it emit most of their radiation. It is probably not a coincidence that the human eye is sensitive to the wavelengths that the sun emits most strongly. Visible light (and near-infrared light) is typically absorbed and emitted by electrons in molecules and atoms that move from one energy level to another. The light we see with our eyes is really a very small portion of the electromagnetic spectrum. A rainbow shows the optical (visible) part of the electromagnetic spectrum; infrared (if you could see it) would be located just beyond the red side of the rainbow with ultraviolet appearing just beyond the violet end. Electromagnetic radiation with a wavelength between 380 nm and 760 nm (790-400 terahertz) is detected by the human eye and perceived as visible light. Other wavelengths, especially near infrared (longer than 760 nm) and ultraviolet (shorter than 380 nm) are also sometimes referred to as light, especially when the visibility to humans is not relevant. If radiation having a frequency in the visible region of the EM spectrum reflects off an object, say, a bowl of fruit, and then strikes our eyes, this results in our visual perception of the scene. Our brains visual system processes the multitude of reflected frequencies into different shades and hues, and through this not-entirely-understood psychophysical phenomenon, most people perceive a bowl of fruit. At most wavelengths, however, the information carried by electromagnetic radiation is not directly detected by human senses. Natural sources produce EM radiation across the spectrum, and our technology can also manipulate a broad range of wavelengths. Optical fiber transmits light which, although not suitable for direct viewing, can carry data that can be translated into sound or an image. The coding used in such data is similar to that used with radio waves. Ultraviolet light: These cover wavelengths ranging from approximately 410-7 to 610-10m. The sun is an important source of ultraviolet (UV) light, which is the main cause of sun burn. Sunscreen lotions are transparent to visible light but absorb most of the ultraviolet light. The higher a sunscreens solar protection factor, or SPF, the greater the percentage of UV light absorbed. Ultraviolet rays have also been implicated in the formation of cataracts, a clouding of lens inside the eye. Most of the UV light from the sun is absorbed by ozone (O3) molecules in the earths upper atmosphere, in a layer called the stratosphere. This ozone shield converts lethal high energy UV energy into IR radiation, which in turn warms the stratosphere. Next in frequency comes ultraviolet (UV). This is radiation whose wavelength is shorter than the violet end of the visible spectrum, and longer than that of an X-ray. Being very energetic, UV can break chemical bonds, making molecules unusually reactive or ionizing them (see photoelectric effect), in general changing their mutual behaviour. Sunburn, for example, is caused by the disruptive effects of UV radiation on skin cells, which is the main cause of skin cancer, if the radiation irreparably damages the complex DNA molecules in the cells (UV radiation is a proven mutagen). The Sun emits a large amount of UV radiation, which could quickly turn Earth into a barren desert. However, most of it is absorbed by the atmospheres ozone layer before reaching the surface. X-rays: They have wavelengths in the range from approximately 10-8m to 10-12m. The most common source of x-rays is the stopping of high-energy electrons upon bombarding a metal target. X-rays are used as a diagnostic tool in medicine (a process known as radiography) and as a treatment for certain forms of cancer as well as for high-energy physics and astronomy.. Because x-rays can damage or destroy living tissues and organisms, care must be taken to avoid unnecessary exposure or over exposure. X-rays are also used in the study of crystal structure because x-ray wavelengths are comparable to the atomic separation distances in solids (about 0.1nm). Hard X-rays have shorter wavelengths than soft X-rays., Neutron stars and accretion disks around black holes emit X-rays, which enable us to study them. X-rays are given off by stars and are strongly emitted by some types of nebulae. Gamma rays: After hard X-rays comes gamma rays, which were discovered by Paul Villard in 1900, these are the most energetic photons, having no defined lower limit to their wavelength. They are electromagnetic waves emitted by radioactive nuclei (such as 60Co and 137Cs) and during certain nuclear reactions. High-energy gamma rays are a component of cosmic rays that enter the earths atmosphere from space. They have wavelength ranging from approximately 10-10m to less than 10-14m. Gamma rays are highly penetrating and produce serious damage when absorbed by living tissues. Consequently those working near such dangerous radiation must be protected with heavily absorbing material such as thick layers of lead. They are useful to astronomers in the study of high energy objects or regions, and find a use with physicists thanks to their penetrative ability and their production from radioisotopes. Gamma rays are also used for the irradiation of food and seed for sterilization, and in medicine they are used in radiation cancer therapy and some kinds of diagnostic imaging such as PET scans. The wavelength of gamma rays can be measured with high accuracy by means of Compton scattering. Note: There are no precisely defined boundaries between the bands of the electromagnetic spectrum. Radiations of some types have a mixture of the properties of those in two regions of the spectrum. For example, red light resembles infrared radiation in that it can resonate some chemical bonds. Application Areas of Electromagnetic Waves Electromagnetic Waves in the modern world have led to evolvement of many advanced communication systems some of them are radio, television, radars, etc. We would now focus on how these electromagnetic waves which carry energy and momentum are used in various applications round the globe. TELEMETRY Telemetry is the process of making measurements from a remote location and transmitting those measurements to receiving equipment. The earliest telemetry systems, developed in the United States during the 1880s, monitored the distribution and use of electricity in a given region, and relayed this information back to power companies using telephone lines. By the end of World War I, electric companies used the power lines themselves as information relays, and though such electrical telemetry systems remain in use in some sectors, most modern telemetry systems apply radio signals. An example of a modern telemetry application is the use of an input device called a transducer to measure information concerning an astronauts vital signs (heartbeat, blood pressure, body temperature, and so on) during a manned space flight. The transducer takes this information and converts it into an electrical impulse, which is then beamed to the space monitoring station on Earth. Because this signal carries information, it must be modulated, but there is little danger of interference with broadcast transmissions on Earth. Typically, signals from spacecraft are sent in a range above 10 10 Hz, far above the frequencies of most microwave transmissions for commercial purposes. RADAR Radio waves can be used to send communication signals, or even to cook food; they can also be used to find and measure things. One of the most obvious applications in this regard is radar, an acronym for RAdio Detection And Ranging. Radio makes it possible for pilots to see through clouds, rain, fog, and all manner of natural phenomena-not least of which is darkness. It can also identify objects, both natural and manmade, thus enabling a peacetime pilot to avoid hitting another craft or the side of a mountain. On the other hand, radar may help a pilot in wartime to detect the presence of an enemy. Nor is radar used only in the skies, or for military purposes, such as guiding missiles: on the ground, it is used to detect the speeds of objects such as automobiles on an interstate highway, as well as to track storms. In the simplest model of radar operation, the unit sends out microwaves toward the target, and the waves bounce back off the target to the unit. Though the speed of light is reduced somewhat, due to the fact that waves are travelling through air rather than through a vacuum, it is, nonetheless, possible to account for this difference. Hence, the distance to the target can be calculated using the simple formula d = vt, where d is distance, v is velocity, and t is time. Typically, a radar system includes the following: a frequency generator and a unit for controlling the timing of signals; a transmitter and, as with broadcast radio, a modulator; a duplexer, which switches back and forth between transmission and reception mode; an antenna; a receiver, which detects and amplifies the signals bounced back to the antenna; signal and data processing units; and data display units. In a monostatic unit-one in which the transmitter and receiver are in the same location-the unit has to be continually switched between sending and receiving modes. Clearly, a bistatic unit-one in which the transmitter and receiver antennas are at different locations-is generally preferable; but on an airplane, for instance, there is no choice but to use a monostatic unit. In order to determine the range to a target-whether that target be a mountain, an enemy aircraft, or a storm-the target itself must first be detected. This can be challenging, because only a small portion of the transmitted pulse comes back to the receiving antenna. At the same time, the antenna receives reflections from a number of other objects, and it can be difficult to determine which signal comes from the target. For an aircraft in a wartime situation, these problems are compounded by the use of enemy countermeasures such as radar jamming. Still another difficulty facing a military flyer is the fact that the use of radar itself-that is the transmission of microwaves-makes the aircraft detectable to opposing forces. MICROWAVE OVENS The same microwaves that transmit FM and television signals-to name only the most obviously applications of microwave for communication-can also be harnessed to cook food. The microwave oven, introduced commercially in 1955, was an outgrowth of military technology developed a decade before. During World War II, the Raytheon Manufacturing Company had experimented with a magnetron, a device for generating extremely short-wavelength radio signals as a means of improving the efficiency of military radar. While working with a magnetron, a technician named Percy Spencer was surprised to discover that a candy bar in his pocket had melted, even though he had not felt any heat. This led him to considering the possibilities of applying the magnetron to peacetime uses, and a decade later, Raytheons radar range hit the market. Those early microwave ovens had none of varied power settings to which modern users of the microwave-found today in two-thirds of all American homes-are accustomed. In the first microwaves, the only settings were on and off, because there were only two possible adjustments: either the magnetron would produce, or not produce, microwaves. Today, it is possible to use a microwave for almost anything that involves the heating of food that contains water-from defrosting a steak to popping popcorn. As noted much earlier, in the general discussion of electromagnetic radiation, there are three basic types of heat transfer: conduction, convection, and radiation. Without going into too much detail here, conduction generally involves heat transfer between molecules in a solid; convection takes place in a fluid (a gas such as air or a liquid such as water); and radiation, of course, requires no medium. A conventional oven cooks through convection, though conduction also carries heat from the outer layers of a solid (for example, a turkey) to the interior. A microwave, on the other hand, uses radiation to heat the outer layers of the food; then conduction, as with a conventional oven, does the rest. The difference is that the microwave heats only the food-or, more specifically, the water, which then transfers heat throughout the item being heated-and not the dish or plate. Thus, many materials, as long as they do not contain water, can be placed in a microwave oven without being melted or burned. Metal, though it contains no water, is unsafe because the microwaves bounce off the metal surfaces, creating a microwave buildup that can produce sparks and damage the oven. In a microwave oven, microwaves emitted by a small antenna are directed into the cooking compartment, and as they enter, they pass a set of turning metal fan blades. This is the stirrer, which disperses the microwaves uniformly over the surface of the food to be heated. As a microwave strikes a water molecule, resonance causes the molecule to align with the direction of the wave. An oscillating magnetron causes the microwaves to oscillate as well, and this, in turn, compels the water molecules to do the same. Thus, the water molecules are shifting in position several million times a second, and this vibration generates energy that heats the water. RADIO COMMUNICATION Among the most familiar parts of the electromagnetic spectrum, in modern life at least, is radio. In most schematic representations of the spectrum, radio waves are shown either at the left end or the bottom, as an indication of the fact that these are the electromagnetic waves with the lowest frequencies, the longest wavelengths, and the smallest levels of photon energy. Included in this broad sub-spectrum, with frequencies up to about 10 7 Hertz are long-wave radio, short-wave radio, and microwaves. The areas of communication affected are many: broadcast radio, television, mobile phones, radar-and even highly specific forms of technology such as baby monitors. Though the work of Maxwell and Hertz was foundational to the harnessing of radio waves for human use, the practical use of radio had its beginnings with Marconi. During the 1890s, he made the first radio transmissions, and, by the end of the century, he had succeeded in transmitting telegraph messages across the Atlantic Ocean-a feat which earned him the Nobel Prize for physics in 1909. Marconis spark transmitters could send only coded messages, and due to the broad, long-wave length signals used, only a few stations could broadcast at the same time. The development of the electron tube in the early years of the twentieth century, however, made it possible to transmit narrower signals on stable frequencies. This, in turn, enabled the development of technology for sending speech and music over the airwaves. THE DEVELOPMENT OF AM AND FM. A radio signal is simply a carrier: the process of adding information-that is, complex sounds such as those of speech or music-is called modulation. The first type of modulation developed was AM, or amplitude modulation, which Canadian-American physicist Reginald Aubrey Fessenden (1866-1932) demonstrated with the first United States radio broadcast in 1906. Amplitude modulation varies the instantaneous amplitude of the radio wave, a function of the radio stations power, as a means of transmitting information. By the end of World War I, radio had emerged as a popular mode of communication: for the first time in history, entire nations could hear the same sounds at the same time. During the 1930s, radio became increasingly important, both for entertainment and information. Families in the era of the Great Depression would gather around large cathedral radios-so named for their size and shape-to hear comedy programs, soap operas, news programs, and speeches by important public figures such as President Franklin D. Roosevelt. Throughout this era-indeed, for more than a half-century from the end of the first World War to the height of the Vietnam Conflict in the mid-1960s-AM held a dominant position in radio. This remained the case despite a number of limitations inherent in amplitude modulation: AM broadcasts flickered with popping noises from lightning, for instance, and cars with AM radios tended to lose their signal when going under a bridge. Yet, another mode of radio transmission was developed in the 1930s, thanks to American inventor and electrical engineer Edwin H. Armstrong (1890-1954). This was FM, or frequency modulation, which varied the radio signals frequency rather than its amplitude. Not only did FM offer a different type of modulation; it was on an entirely different frequency range. Whereas AM is an example of a long-wave radio transmission, FM is on the microwave sector of the electromagnetic spectrum, along with television and radar. Due to its high frequency and form of modulation, FM offered a clean sound as compared with AM. The addition of FM stereo broadcasts in the 1950s offered still further improvements; yet despite the advantages of FM, audiences were slow to change, and FM did not become popular until the mid-to late 1960s. SIGNAL PROPAGATION AM signals have much longer wavelengths, and smaller frequencies, than do FM signals, and this, in turn, affects the means by which AM signals are propagated. There are, of course, much longer radio wavelengths; hence, AM signals are described as intermediate in wavelength. These intermediate-wavelength signals reflect off highly charged layers in the ionosphere between 25 and 200 mi (40-332 km) above Earths surface. Short-wave-length signals, such as those of FM, on the other hand, follow a straight-line path. As a result, AM broadcasts extend much farther than FM, particularly at night. At a low level in the ionosphere is the D layer, created by the Sun when it is high in the sky. The D layer absorbs medium-wavelength signals during the day, and for this reason, AM signals do not travel far during daytime hours. After the Sun goes down, however, the D layer soon fades, and this makes it possible for AM signals to reflect off a much higher layer of the ionosphere known as the F layer. (This is also sometimes known as the Heaviside layer, or the Kennelly-Heaviside layer, after English physicist Oliver Heaviside and British-American electrical engineer Arthur Edwin Kennelly, who independently discovered the ionosphere in 1902.) AM signals bounce off the F layer as though it were a mirror, making it possible for a listener at night to pick up a signal from halfway across the country. The Sun has other effects on long-wave and intermediate-wave radio transmissions. Sunspots, or dark areas that appear on the Sun in cycles of about 11 years, can result in a heavier buildup of the ionosphere than normal, thus impeding radio-signal propagation. In addition, occasional bombardment of Earth by charged particles from the Sun can also disrupt transmissions. Due to the high frequencies of FM signals, these do not reflect off the ionosphere; instead, they are received as direct waves. For this reason, an FM station has a fairly short broadcast range, and this varies little with regard to day or night. The limited range of FM stations as compared to AM means that there is much less interference on the FM dial than for AM. In the United States and most other countries, one cannot simply broadcast at will; the airwaves are regulated, and, in America, the governing authority is the Federal Communications Commission (FCC). The FCC, established in 1934, was an outgrowth of the Federal Radio Commission, founded by Congress seven years earlier. The FCC actually sells air, charging companies a fee to gain rights to a certain frequency. Those companies may in turn sell that air to ot
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