Thursday, September 19, 2019
Clean Coal and Its Potential Essay -- Energy Coal Fuel Essays Papers
Clean Coal and Its Potential With the United States' increasing addiction for petroleum and imported energy, many organizations have begun to pressure government agencies to consider cleaner methods for fuel. As evident from recent government spending, the current administration favors the generation of electricity through a fossil fuel abundant in the United States; coal. Though coal is widely seen as a cheap source of energy, it contains many drawbacks: itââ¬â¢s emissions. Clean coal alternatives are available and they appear to have a promising future in the world of non-renewable energy. Coal, when used in the traditional manner, is the dirtiest fossil fuel on the planet. The combustion of coal releases a combination of harmful emissions into the surrounding atmosphere. These include but are not limited to NOx, SO2, CO2, and trace amounts of mercury (Rinstinen). Effects of these emissions are seen in the accumulation of low-level ozone, global warming, and acid rain. Despite these devastating affects coal remains the largest single producer of energy in the US (Schobert). With so many coal burning plants already in operation, and the obvious benefits of coalââ¬â¢s energy potential, scientists have set out to harness coalââ¬â¢s good properties while at the same time protect the earth from itââ¬â¢s devastating short-comings. The answer to the current debate over coalââ¬â¢s future seems to lie in the idealist potential of Clean Coal. Itââ¬â¢s potential is so great that President Bush has poured millions of dollars into the Federal Budget to stimulate Clean Coal development and initiatives. Currently, countless plants from the 1950ââ¬â¢s and 1960ââ¬â¢s have become decommissioned or are in need of replacements; the need to reinv... ...the non-renewable energies require too many additional processes to be considered a sustainable fuel for the future. Works Cited "Clean Coal Technology: How It Works." BBC News. 28 Nov. 2005. bbc.co.uk. 14 Feb. 2007 . "Integrated Gasification Combined Cycle." Cogeneration. 8 Jan. 2004. CogenerationTechnologies. 14 Feb. 2007 . "Prospects For CO2 Capture and Storage (CCS) ââ¬â Fact Sheet." Iea.Org. 15 Feb. 2006. International Energy Agency. 14 Feb. 2007 . Ristinen, Robert A., and Jack J. Kraushaar. Energy and the Environment. New York & London: John Wiley & Sons, Inc., 1999. Schobert, Harold H. Energy and Society. New York & London: Taylor and Francis, 2002. Clean Coal and Its Potential Essay -- Energy Coal Fuel Essays Papers Clean Coal and Its Potential With the United States' increasing addiction for petroleum and imported energy, many organizations have begun to pressure government agencies to consider cleaner methods for fuel. As evident from recent government spending, the current administration favors the generation of electricity through a fossil fuel abundant in the United States; coal. Though coal is widely seen as a cheap source of energy, it contains many drawbacks: itââ¬â¢s emissions. Clean coal alternatives are available and they appear to have a promising future in the world of non-renewable energy. Coal, when used in the traditional manner, is the dirtiest fossil fuel on the planet. The combustion of coal releases a combination of harmful emissions into the surrounding atmosphere. These include but are not limited to NOx, SO2, CO2, and trace amounts of mercury (Rinstinen). Effects of these emissions are seen in the accumulation of low-level ozone, global warming, and acid rain. Despite these devastating affects coal remains the largest single producer of energy in the US (Schobert). With so many coal burning plants already in operation, and the obvious benefits of coalââ¬â¢s energy potential, scientists have set out to harness coalââ¬â¢s good properties while at the same time protect the earth from itââ¬â¢s devastating short-comings. The answer to the current debate over coalââ¬â¢s future seems to lie in the idealist potential of Clean Coal. Itââ¬â¢s potential is so great that President Bush has poured millions of dollars into the Federal Budget to stimulate Clean Coal development and initiatives. Currently, countless plants from the 1950ââ¬â¢s and 1960ââ¬â¢s have become decommissioned or are in need of replacements; the need to reinv... ...the non-renewable energies require too many additional processes to be considered a sustainable fuel for the future. Works Cited "Clean Coal Technology: How It Works." BBC News. 28 Nov. 2005. bbc.co.uk. 14 Feb. 2007 . "Integrated Gasification Combined Cycle." Cogeneration. 8 Jan. 2004. CogenerationTechnologies. 14 Feb. 2007 . "Prospects For CO2 Capture and Storage (CCS) ââ¬â Fact Sheet." Iea.Org. 15 Feb. 2006. International Energy Agency. 14 Feb. 2007 . Ristinen, Robert A., and Jack J. Kraushaar. Energy and the Environment. New York & London: John Wiley & Sons, Inc., 1999. Schobert, Harold H. Energy and Society. New York & London: Taylor and Francis, 2002. Clean Coal and Its Potential Essay -- Energy Coal Fuel Essays Papers Clean Coal and Its Potential With the United States' increasing addiction for petroleum and imported energy, many organizations have begun to pressure government agencies to consider cleaner methods for fuel. As evident from recent government spending, the current administration favors the generation of electricity through a fossil fuel abundant in the United States; coal. Though coal is widely seen as a cheap source of energy, it contains many drawbacks: itââ¬â¢s emissions. Clean coal alternatives are available and they appear to have a promising future in the world of non-renewable energy. Coal, when used in the traditional manner, is the dirtiest fossil fuel on the planet. The combustion of coal releases a combination of harmful emissions into the surrounding atmosphere. These include but are not limited to NOx, SO2, CO2, and trace amounts of mercury (Rinstinen). Effects of these emissions are seen in the accumulation of low-level ozone, global warming, and acid rain. Despite these devastating affects coal remains the largest single producer of energy in the US (Schobert). With so many coal burning plants already in operation, and the obvious benefits of coalââ¬â¢s energy potential, scientists have set out to harness coalââ¬â¢s good properties while at the same time protect the earth from itââ¬â¢s devastating short-comings. The answer to the current debate over coalââ¬â¢s future seems to lie in the idealist potential of Clean Coal. Itââ¬â¢s potential is so great that President Bush has poured millions of dollars into the Federal Budget to stimulate Clean Coal development and initiatives. Currently, countless plants from the 1950ââ¬â¢s and 1960ââ¬â¢s have become decommissioned or are in need of replacements; the need to reinv... ...the non-renewable energies require too many additional processes to be considered a sustainable fuel for the future. Works Cited "Clean Coal Technology: How It Works." BBC News. 28 Nov. 2005. bbc.co.uk. 14 Feb. 2007 . "Integrated Gasification Combined Cycle." Cogeneration. 8 Jan. 2004. CogenerationTechnologies. 14 Feb. 2007 . "Prospects For CO2 Capture and Storage (CCS) ââ¬â Fact Sheet." Iea.Org. 15 Feb. 2006. International Energy Agency. 14 Feb. 2007 . Ristinen, Robert A., and Jack J. Kraushaar. Energy and the Environment. New York & London: John Wiley & Sons, Inc., 1999. Schobert, Harold H. Energy and Society. New York & London: Taylor and Francis, 2002.
Wednesday, September 18, 2019
Richard P. Feynman :: biographies biography bio
Richard Feynman, born on May 11, 1918 to Lucille and Melville Feynman, is remembered for many things by many people. He was Physicist, a Mathematician, a Noble Laureate in Physics, he worked at Los Alamos constructing the first atomic bomb, he probed the Challenger shuttle disaster, made new paths into Quantum Mechanics and Electrodynamics through Path Integrals and Feynman Diagrams, he was a teacher, a husband and a father. He was all these things and more, yet he was still just a man, like everyone else, and he liked to play the bongo drums. Feynman attended MIT where he received his bachelor if science degree and then Princeton for his Ph.D. It was during his time at Princeton that Feynman married his first wife, his high school sweetheart, Arline Greenbaum. Arline was already ill with tuberculosis at the time, and the young newlyweds could not even kiss. In 1942 the young couple left for Los Alamos where 24 year old Feynman would be made group leader in the theoretical division. Eventually Arline was admitted into the Albuquerque hospital where she eventually died in 1945. Feynman was very distraught. Feynman took several teaching positions over the following years, ending up at CalTech where he would spend the rest of his career. Feynman married two more time, in 1952 he married Mary Louise Bell, and in 1960 he married Gweneth Howarth. They had a son, Carl, and adopted a daughter, Michelle. During his time at CalTech Feynman agreed to teach a two-year course of introductory physics to freshman students. The lectures were recorded, transcribed and photographs were taken of all the blackboards. From these lectures three books, The Feynman Lectures on Physics, were published. Also published were two books by Ralph Leighton,Surely You're Joking Mr. Feynman! in 1985 and What Do You Care What Other People Think? in 1988, both highly enjoyable books to read that capture the personal side of Feynman that he was so infamous for. Feynman died February 15, 1988 at the age of 69 from stomach cancer. The above picture is a formal pose of Feynman after receiving the Nobel Prize in Physics, along with Sin'ichiro Tomanaga and Julian Schwinger, for his work in Quantum Electrodynamics(QED). Although Tomanaga and Schwinger had independently created equivalent theories, it was Feynman's that proved to be the most original and far-reaching. Feynman was recruited onto the Los Alamos project in 1942, where he developed many experimental devices to test his theories, without having to blow up Los Alamos.
Tuesday, September 17, 2019
The Editing of Hemingways The Garden of Eden :: Hemingway The Garden of Eden
The Editing of Hemingway's The Garden of Eden One deceased master author, one 1500 page manuscript, three previously unsuccessful editing attempts. This equation would scare away most editors. At first, it even scared away Tom Jenks. When his bosses at Scribnerââ¬â¢s Publishing asked him to revise Hemingwayââ¬â¢s 1500 page manuscript, Jenks initially declined. He told the company, ââ¬Å"'I don't care if I never see another Hemingway story againââ¬â¢Ã¢â¬ (http://narrativemagazine.org/html/eden.htm). For Jenks, ââ¬Å"Publishing more Hemingway seemed less interesting than publishing new writers, which is what I came to Scribner's to doâ⬠(http://narrativemagazine.org/html/eden.htm). Ultimately Jenks did take on the impossible task of editing Hemingway. One would expect a Hemingway expert to do the editing of The Garden of Eden, however for Jenks, editing Hemingway was an entirely new experience. Eric Pooley, a writer for New York Magazine, states, ââ¬Å"[Jenks] hadn't read a Hemingway novel in year s. He didn't review the Hemingway canon before he started, and he still hasn't read Islands in the Stream. Preparing to edit, he asked no one for adviceâ⬠( http://narrativemagazine.org/html/eden.htm). Yet Charles Scribner Jr., one of the three editors who tried and failed to edit the book before Jenks, believes that Jenksââ¬â¢ lack of Hemingway ââ¬Å"worshipâ⬠made editing the book easier. He states, ââ¬Å"coming to the task fresh, without a long personal association with Hemingway, Tom was less inhibitedâ⬠(http://narrativemagazine.org/html/eden.htm). Jenks could not afford to be enamored with the work of Hemingway. In front of him lay the task of removing hundreds of pages from one of the worldââ¬â¢s most respected authors. The task of editing The Garden of Eden was two fold. First, Jenks needed to preserve the writing of Hemingway. Yet at the same time, he needed to remove hundreds of pages that he believed to be redundant or insubstantial. Jenks calls ââ¬Å"substantial portions [of the manuscript] embarrassingly flimsyâ⬠(Jenks 54). As he began the long task of editing, Jenks was lucky enough to have some notes from the original author. Certain parts, especially the first hundred or so pages, had already been edited by Hemingway. Hemingway also left behind dated notes about his work. ââ¬Å"He'd say, 'This is good,' or 'This is shit,'â⬠said Jenks. ââ¬Å"Sometimes the notes were quite detailedâ⬠(http://narrativemagazine.org/html/eden.htm). Jenks used these notes, along with his own gut feelings to cut the book down to the size it is today.
British Politics and Society Essay
ââ¬â Between 1947-51, there was a considerable degree of economic recovery from the severe crisis of 1945-57. ââ¬â Nationalisation of key industries, and creation of the welfare state ââ¬â Ernest Bevinââ¬â¢s work as the Foreign Secretary ensured continuation of ââ¬Ë special relationshipââ¬â¢ with USA and the formation of NATO ââ¬â After losing power in 1951, labour only had two terms until Tony Blairââ¬â¢s landslide victory in 1997 ââ¬â History of British politics & society between 1951 ââ¬â 1997 was framed by Attleeââ¬â¢s govt and the beginning of Blairââ¬â¢s administration. Trends& Developments ââ¬â 1951 ââ¬â 1973 sustained periods of employment & relative popularity ââ¬â the long post-war boom ââ¬â 1973 ââ¬â 1979 oil price crisis ââ¬â 1979 ââ¬â 1990 Thatcherism, industrial unrest, and privatisation of nationalised concerns. ââ¬â Post-war years= extensive social & cultural change, with emergence of a youth culture, the advance of women, vast developments in the mass media & the growth of multiculturalism. Politics & Govt ââ¬â 1951-64 was marked by dominance of moderate Tory govts under Churchill, Eden& Macmillan ââ¬â Between 1964 ââ¬â 79, it was a period of mainly Labour govts under Wilson & Callaghan, interrupted by Tory govt, under Heath 1970 ââ¬â 4. ââ¬â 1979 ââ¬â 97 era of ââ¬ËThatcheriteââ¬â¢ conservatism ââ¬â During those years Labour fell into decline due to internal divisions and the formation of SDP ââ¬â 1969 ââ¬â 98 problems of security in N.Ireland Foreign Affairs ââ¬â Period marked by slow & uneven ââ¬Ëretreat from empireââ¬â¢, with further decolonisation. ââ¬â Continuance of cold war enhanced Britainââ¬â¢s ââ¬Ëspecial relationshipââ¬â¢ with USA , whilst relationship with Europe grew more complex ââ¬â Britain joined EEC 1973 Section 1 ââ¬â Dilwyn Porter ââ¬â â⬠that of a ââ¬Ëpost-war consensusââ¬â¢ that the sense of national unity, which developed during and because of ââ¬ËPeopleââ¬â¢s Warââ¬â¢ was continued and consolidated by Attleeââ¬â¢s governmentâ⬠Legacy of war years ââ¬â Post-war consensus after WW2 ââ¬â Attlee, Churchill & Eden worked together in war time coalition ââ¬â PMs until Wilson in 1964 fought in WW1 ââ¬â Tony Blairââ¬â¢s background fitted in with Tory mould as well or even better than Heath ââ¬â Right-winged Tories argued that continuation of Attlee legacy was a tragic ââ¬Ësocialistââ¬â¢ mistake ââ¬â Left-winged Bevanites argued Atlee legacy not socialist enough Political Tensions ââ¬â labour was subjected to a series of intense internal divisions and personality clashes throughout post war history ââ¬â post war labour didnââ¬â¢t move with the post war consensus ââ¬â west Germany 1959, key turning point when SPD reformed and dropped Marxist ideology for modernisation and democracy ââ¬â Thatcherââ¬â¢s successful rebellion against Heath in 1975 marked the conservative party ââ¬Ës shift from the post war consensus ââ¬â Thatcherââ¬â¢s election success marked the degree of part divisions Politics ââ¬â Tories could hardly be called right winged in the 1950ââ¬â¢s ââ¬â Both Churchill and Eden made radical movements to alter the relationships between the government and the trade unions ââ¬â Steel industry was denationalised in 1953 ââ¬â No attempt to reverse what the labour government had done between 1945 ââ¬â 51 ââ¬â Macmillan government did more to consolidate the post war consensus than to challenge it ââ¬â 1959 Macmillanââ¬â¢s government continued to follow centrist policies Economic Policy ââ¬â continuation of the post war consensus under the government was referred to as ââ¬Ëbutskellismââ¬â¢ ââ¬â Butler was a key figure in the conservative party (chancellor of exchequer) and was a serious contender for leadership in 1957 ââ¬â Butler clashed with Bevan over the costs of the NHS ââ¬â 1963 ââ¬â Gaitskell became leader of the labour party ââ¬â Gaitskell had open feuds about with the left wingers in his own party especially over nuclear disarmament ââ¬â a key feature of butskellism was the ideas that Butler and Gaitskell had much more in common with each other than rival wings in their own parties Foreign Policy ââ¬â Foreign policy was a major element of the Attlee legacy and the post war consensus which was summed up as ââ¬Ë a commitment to maintain both the welfare state and national greatnessââ¬â¢ ââ¬â An issue was the dissatisfaction of the alliance with the USA, and large scale commitments such as the independent nuclear war deterrent and anti soviet policies of the cold war ââ¬â Labour politicians were sensitive about the claims that the socialism was unpredictable and unreliable and they wanted to prove the opposite ââ¬â Bevan had battle with the left wing and communists during the thirties ââ¬â Bevan was a supporter of Churchill and was proud of his successes such as the formation of NATO and wanted to keep their special relationship in good repair ââ¬â Many left wingers werenââ¬â¢t happy with the policies but were never able to do over turn them ââ¬â Post war consensus was put under strain due to the Suez crisis ââ¬â Macmillan read the lessons of the affair and was quick to mend bridges with the US ââ¬â Macmillanââ¬â¢s wind of change speech led the way to rapid decolonisation across Africa ââ¬â Macmillan applied to get Britain in the EEC which got declined due to De Gaulle ââ¬â Under the government of Wilson is when Britain was accepted into the EEC The significance of the 1964 ââ¬â The labour campaign made much of the theme of modernisation ââ¬â Public mood of expectancy in 1964 , reflected the sense that 1960ââ¬â¢s Britain was going through fundamental social and cultural change ââ¬â There was no change in political direction, in 1964 the labour governments under Wilson & Callaghan succeed in carrying on with their radical promises ââ¬â Labourââ¬â¢s policies werenââ¬â¢t that different from what the conservatives would have done and there was emphasis on the economic modernisation ââ¬â Why were the labour governments between 1964 and 1979 unable to achieve more success? ââ¬â When Harold Wilson came into power in 1964 optimism among the labour supporters was high, ââ¬â Wilson seemed to be a talented leader who had a wide support in the country
Monday, September 16, 2019
Porterââ¬â¢s Five Forces Analysis Essay
Porterââ¬â¢s Five Forces Analysis Michael Porter provided a framework that analyses an industry as being influenced by five forces. It has been suggested that management, attempting to establish a competitive marketing advantage over rivals, can use this model to understand the industry context in which the business operates and take appropriate strategic decisions. Threat of entry This means the ease with which other firms can join the industry and compete with existing businesses. The threat of entry is greatest when: economies of scale are low in the industry technology needed to enter the industry is relatively cheap istribution channels are easy to access, e. g. retail shops are not owned by existing manufacturers in the industry there are no legal or patent restrictions on entry The importance of product differentiation is low, so extensive advertising may not be required to get established. The power of buyers This refers to the power that customers have on the producing in dustry. For example, if there are four major supermarket groups that dominate this sector of retailing, their buyer power over food and other producers will be great. Buyer power will also be increased when: here are many undifferentiated small supplying firms, e. g. many small farmers supplying milk or chicken to large supermarket businesses the cost of switching suppliers is low Buyers can realistically and easily buy from other suppliers. The power of suppliers Suppliers will be relatively powerful compared with buyers when: the cost of switching is high, e. g. from PC computers to AppleMacs When the brand being sold is very powerful and well known, e. g. Cadburyââ¬â¢s chocolate or Nike shoes. Suppliers could realistically threaten to open their own forward-integration operations, e. g. offee suppliers open their own cafes. Customers have little bargaining power as they are small firms and fragmented, e. g. dispersed around the country as with independent petrol stations. The threat of substitutes In Porterââ¬â¢s model, ââ¬Ësubstitute productsââ¬â¢ does not mean alternatives in the same industry such as Toyota for Honda cars. It refers to substitute products in other industries. For instance, the demand for aluminum for cans is partly affected by the price of glass for bottling and plastic for containers. These are substitutes for aluminum, but they are not rivals in the same industry. Competitive rivalry This is the key part of this analysis ââ¬â it sums up the most important factors that determine the level of competition or rivalry in an industry. It is based on the other four forces which are why it is often illustrated in the center of the Five Forces diagram. Competitive rivalry is most likely to be high where: it is cheap and easy for new firms to enter an industry there is a threat from substitute products suppliers have much power Buyers have much power. Reference: http://classof1. com/homework-help/earth-science-homework-help/
Sunday, September 15, 2019
Helping Parents and Caregivers Fight Chilhood Obesity Essay
Helping Parents and Caregivers in the Fight Against Childhood Obesity Young children acquire their knowledge through direct instruction, modeling, and experiences within their environment (Lanigan, 2010, p. # 369). Children who are obese are known to have lower self-esteem, and a higher risk of becoming drinkers, smokers, and/or socially isolated as they mature. Health concerns such as Cardiovascular Disease; Gall Bladder problems; Hypertension; and Sleep Apnea have all been associated with childhood obesity (Robinson; Geier; Rizzolo; Sedrak, 2011). Teaching portion control, implementing a healthy balanced diet, and adding in daily physical activities can help parents and caregivers in the fight against childhood obesity. Portion control is something that has to be developed from within a person. By introducing and practicing the use of healthy eating habits early in life, parents and caregivers are increasing the opportunities for a child to learn behaviors that can help them to dev elop a healthy life style. This type of life style can in turn increase the childââ¬â¢s chances of reversing or even preventing obesity. Teaching children to recognize what it feels like in their bodies when they are hungry or what could be called their hunger signals, while encouraging them to eat their food more slowly, and persuading them to stop eating when they feel they have had enough, even though they may still have food left over, are all ways of promoting healthy eating habits in children. The practice and observation of these skills will benefit children in their journey to a healthy life. Creating a healthy balanced diet can be a challenge for families. The convenience of the fast food industry has increased the challenge for families. Most families have parents or caregivers who work long hours and have little down time, causing them to ââ¬Å"grabâ⬠dinner verses preparing it as was once the norm. In a balanced diet, the recommendation of carbohydrates is 45% to 50% of the total daily calories, while fat intake is at 30% to 35% (Philippas; Lo, 2005). Focusing on the right fats and carbs are of extreme importance. Making choices with fruits, vegetables, legumes, and healthier poly- andà monounsaturated fats, verses saturated fats and refined carbohydrates like white bread, refined sugar, soft drinks, cakes and candies, can dramatically assist in the battle against childhood obesity. While portion control and a healthy balanced diet are essential in the fight against childhood obesity, the benefits of physical activity should not be ignored. Exercise is a key component in the treatment and prevention of obesity in children (Robinson; Geier; Rizzolo; Sedrak, 2011). Exercise will assist in weight loss as well as improve metabolic risk factors such as hypertension, and has been known to have led to the lowering of blood pressure, along with reducing in depression, anxiety, and improvement of self-esteem (Robinson; Geier; Rizzolo; Sedrak, 2011). The obesity epidemic is being blamed for the rise in serious diseases and disorders (Robinson; Geier; Rizzolo; Sedrak, 2011). With this information of the multiple health concerns that have been associated with childhood obesity, parents and caregivers must be armed with education and resources to fight against this disease. Teaching portion control, implementing a healthy balanced diet, and adding in daily physical activities can help parents and caregivers in the fight against the disease known as childhood obesity.
Saturday, September 14, 2019
Benefits of Internet and Social Media to Students Essay
Internet and social media is student best friend. They provide needed materials within a short span of time. They allow interactions among student to be easy and convenient. Most of the times are when students get required information from the internet and this helps them in their studies. Since plagiarism is not allowed in their work, there is online plagiarism checker which verifies zero percentage plagiarism before the work is forwarded for marking. Internet benefits are more than its demerits, although parents and guardians are always opposed to the idea of their children being exposed to internet materials, it reaches a point where they cannot control it anymore. Being in college exposes one to various mediums of communication. One of them is the internet social media. It is efficient and reliable, onset of social groups such as Facebook and twitter helps students to interact with their fellow friends. see more:social topics for speech Education is also passed through these media; there has been a lot of idea exchange in the internet today. Almost everything can be confirmed in the internet regardless to its sensitivity and significance, plagiarism software are also available in the internet today. They help reduce cases of copying directly from the internet. Important education matters can also be passed from one student to another; this is usually very fast as compared to word of mouth or other written documents. Internet provides leisure activities to the students, they engage in games and other plays that help them relax their minds. This is one way of ensuring academic progress among student in universities and colleges. There is also online learning which have been adopted by many students and colleges, itââ¬â¢s a convenient way of studying and hence it has been embraced by many students with positive attitude. Despite internet being misused by few individuals, its benefits cannot be measured to any other data source. Its effective and reliable way of obtaining information.
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