Fission Or Fusion :: essays research papers

Fission or Fusion I think that right now, fission is the only way that we can get more energy out of a nuclear reaction than we put in. First, the energy per fission is very large. In practical units, the fission of 1 kg (2.2 lb) of uranium-235 releases 18.7 million kilowatt-hours as heat. Second, the fission process initiated by the absorption of one neutron in uranium-235 releases about 2.5 neutrons, on the average, from the split nuclei. The neutrons released in this manner quickly cause the fission of two more atoms, thereby releasing four or more additional neutrons and initiating a self-sustaining series of nuclear fissions, or a chain reaction, which results in continuous release of nuclear energy. Naturally occurring uranium contains only 0.71 percent uranium-235; the remainder is the non-fissile isotope uranium-238. A mass of natural uranium by itself, no matter how large, cannot sustain a chain reaction because only the uranium-235 is easily fissionable. The probability that a fission neutron with an initial energy of about 1 MeV will induce fission is rather low, but can be increased by a factor of hundreds when the neutron is slowed down through a series of elastic collisions with light nuclei such as hydrogen, deuterium, or carbon. This fact is the basis for the design of practical energy-producing fission reactors. In December 1942 at the University of Chicago, the Italian physicist Enrico Fermi succeeded in producing the first nuclear chain reaction. This was done with an arrangement of natural uranium lumps distributed within a large stack of pure graphite, a form of carbon. In Fermi's "pile," or nuclear reactor, the graphite moderator served to slow the neutrons. Nuclear fusion was first achieved on earth in the early 1930s by bombarding a target containing deuterium, the mass-2 isotope of hydrogen, with high-energy deuterons in a cyclotron. To accelerate the deuteron beam a great deal of energy is required, most of which appeared as heat in the target. As a result, no net useful energy was produced. In the 1950s the first large-scale but uncontrolled release of fusion energy was demonstrated in the tests of thermonuclear weapons by the United States, the USSR, Great Britain, and France. This was such a brief and uncontrolled release that it could not be used for the production of electric power. In the fission reactions I discussed earlier, the neutron, which has no electric charge, can easily approach and react with a fissionable nucleus ,for example, uranium-235. In the typical fusion reaction, however, the reacting nuclei both have a positive electric charge, and the natural repulsion between them, called Coulomb repulsion, must be overcome before they can join.

Paideia of Nihil of Reliabilty of Existing and Paideia of Nihil of Truth of Being :: Philosophy

Paideia of "Nihil of Reliabilty of Existing" and Paideia of "Nihil of Truth of Being" ABSTRACT: This paper traces the transformation of the idea of Paideia as an intellectual mode of existence and being in Antiquity, the Middle Ages, the Renaissance, and the modern period to the idea of Paideia as an intellectual mode of the nihil that is oriented toward the future. It comments specifically on the ideas of Leibniz and Heidegger which have contributed to this development. Our understanding of Paideia is multiple-valued. One can think about it as about medicine, and as about goodness, and cultivation of justice in the state (governors, guards, citizens, women and children). Paideia practically includes all sides of culture. One can argue up the definition for a long time. Let consider classics.(1) Namely in Greek Platon's Paideia (IV ad.) classical problem of the possibility and borders of different attempts to improve life of the person was put forward. And this happened in conditions, when relations, traditionally seemed stable, between ideas of "Existence" and "Being", "Reliability" and "Truth" and finally of constantly breaking in our life unintelligible ("external" and at the same time "internal") forces, which opens themselves to us as "Nothing" or, in other interpretation, as "Nihil", are changing drastically. Lets try to consider specifics of an inconsistent condition of Paideia at present through a prism of concepts of the end a XX century peo ple about "Nihil – Nothing". What does such a consideration give from the point of view of understanding of possibility somehow to influence on the objective processes of "educating training" and of "training education".(2) The complete name of this article should sound as: "Duality of Leibniz's understanding of "Nihil of Reliability of Existing" in comparison with duality of Heidegger's understanding of "Nihil of Truth of Being" in struggle of philosophical ideas when trying to understand a problem of inconsistency "con-crete" (total specific) "self-development – self-creativity – self-creation" of Paideia "in a whole" "now-and-here" "in this person" today". Understanding of "Nihil of Reliability of Existing" by Leibniz turns to be the representation of understanding "Nihil of Truth of Being" by Heidegger. Understanding of this "Nihil" by the last is only a special case of variety of representations of "Nothing – Nihil" in the deconstructed world of phil osophical thought of our days. I About some preliminary theoretical (conceptual-terminological) remarks, that will allow to specify philosophical aspect of the analysis. It is supposed that the basic concepts are either rather well known, or their development can be found in other work of the author.

Arguments Of Canadian Politics Essay

Since the beginning of civilization, people have had a desire to form and bond with groups.   As civilization progressed, so did the organization and structure of these groups.   Groups became towns, then states, then nations; with the rise of organized nations based upon common goals of people emerges the concept of nationalism. This nationalism gives way to government system. Such a government system resides in Canada and it is often is often suggest that Canada has a form of â€Å"Prime Ministerial Government† in which the office of the Prime minister dominates the executive and legislative branches of government. The focal point of this paper is to argue the different causes of this system. Canadian politics is an admixture of different forms of government. It comprises constitutional monarchy, a federal parliamentary system welded to a tradition of democracy. The arguments whatever the number maybe revolves round certain fundamental fulcrums. It is crucial to understand the way these fulcrums work in order to understand the debates and issues of Canadian Prime Ministerial system of governing. The Canadian setup came into existence through the British North America Act that was passed in the year 1867.   The division of power was a later Canadian addition. The federal element also came in later. After the First World War the different British dominions developed a strong sense of identity, the Belfour Act being a sort of climactic marker of this predilection. Till 1982 the Canadians could not make amendments to their constitution. Judicial Committee of the Privy Council in United Kingdom continued to take decisions regarding legal affairs till 1949. Due to such circumstantial constrictions the Canadian setup is more of a constitutional democracy than a parliamentary one. The constitution is based on the Westminster system that is based on conventions that are unwritten and written legislations. Thus it is obvious that being a part of the monarchy, on theoretical ground, the governing body of the state of Canada was not eligible to be a federal authority. So, a presidential candidature or form was not possible in this context. On the other hand the position of Canadian Prime Ministerial system could be well established as a representative of the Monarch. As a result the prime minister was regarded as a CEO under the rule of the British Monarch. Thus it is obvious that Prime minister dominated the executive and legislative branches of government and even after the constitutional change the authorities did not feel to make any amendments. As a result the format is in existence till date. Secondly, there is bicameral parliament that has three divisions, namely the monarch, the senate and the House of Commons. The senate representation was based on an idea of regional representation. The prime minister sending a petition to the monarch (the present number is about 180) The House of Commons works on a separate mandate. They are elected by a plurality of popular votes. The present number hovers around 308. The size of the house is done according to the policy of representation of population. Thus it was important to have a sole authority that would cover the entire legislative system of the country and in Canada’s case the acting authority is deemed to be the prime minister. Another important reason behind the authoritative role of the prime minister is that in Canada the provinces are co sovereign and carry a considerable weight on different issues. Federal-provincial relation is a crucial and recurring issue in Canadian politics. There is basic divide between the rich states and the not so well off states. The central policy that allows the center to use the generated revenue in whatever way it would like to has been a thorn of contention for a very long time in Canadian politics. Scholars have suggested that the overstepping of the limit encroaches upon the sphere of state jurisdiction. What happens here is that the bigger states (both in terms of money and power) can align the central spending in the ways it would want. While conversely if the center seeks to work out the spending in a different way it usually hurts the bigger states more than the other relatively smaller ones. Whichever way the alignment works this revenue spending policy remains a significant reason of the federal-province strained relationships. Thus to sustain the country as a nation it is important to have a central force of authority and as the Prime Minister is the in the position to overlook all the fundamental aspects of the region it is believed that the most eligible influence in this context relies on that position. The forth most important reason behind Prime minister dominating the executive and legislative branches of government is juxtaposed with the provincial legislation of the country. Provincial legislation has an important role to play in this scheme of things. Provincial legislation is subject to limitations imposed by an Act passed in 1982. This was the Constitution Act of 1982. The parliament cannot take over the provincial autonomy. But the power of the provinces as far as amendments of provincial constitutions are concerned, are limited. Only one state has a written constitution, and that too is only a statute. (The state is that of British Columbia). Provincial legislations do not have the power to impinge upon the sphere of parliamentary affairs and in addition cannot touch the office of the Lieutenant general. This is because of the Constitution Act of 1867 that categorically says that everything not mentioned as belonging to the provincial legislatures comes under the purview of the national parliament. Yet the balance between the national legislation and the provincial legislatures is a fine one. The national legislatures have to interpret the provincial legislatures through the mediations and inflections of the provinces. Moreover social security services, one of the most important sectors of legislation is crucially dependent on the provincial legislatures. Though Parliament cannot transfer any of its powers to a provincial legislature, nor a provincial legislature any of its powers to Parliament, Parliament can delegate the administration of a federal Act to provincial agencies (as it has done with the regulation of inter provincial and international highway traffic); and a provincial legislature can delegate the administration of a provincial Act to a federal agency. Thus the central authority to control all the variables and differences of Canada is deemed upon the Prime minister and as a result of all these the Prime minister dominates the executive and legislative branches of government.    References: Lamb, D; (2004); Cult to Culture: The Development of Civilization on the Strategic Strata; Wellington: National Book Trust

The Rugmaker of Mazar-E-Sharif

Mazari has been through all sorts of conflict throughout his lifetime from where he was a young boy minding sheep in Afghanistan to opening an authentic rug store in Australia. He first had a major loss happen to him when he was a young boy and his father was killed. This was a traumatic time for his family and there was a conflict within his family. When his father died, Najaf was forced to take on new responsibilities within the family and everyone had to do their part. When he was a young teenager his house was hit by a rocket causing major damage to his leg. His leg took over 6 months to heal properly and he was finding it difficult to cope in this time as he saw himself as a burden on his family which was a personal conflict. He has faced various conflicts during his time at Woomera detention centre, one of which was a religious conflict. Certain people could not talk to other people because of their religion. This made a somewhat difficult experience in his life even more difficult as he was continuously having trouble with other people because they believed in different gods. Finally when he was released and working freely in Australia he had conflicts at his work places. One of which was when he worked for a lady who was too demanding on him and he could not work to her expectations with him. This was a cultural conflict as he was not used to working under her conditions.

Police Diversity Essay

Racial discrimination is an issue that so many professionals know about. Dealing with it may be the problem, but attempts to deal with it have been shown since the early times when it was noticed. According to Zeisel, there is evidence that the federal courts of appeal have been urged to take action on the administration of death sentences. Zeises notes that the death sentences in the federal courts, which he writes as a Florida experience, were administered discriminating against the black people (1981). In his writing, Zeisel states that two petitioners had provided evidence showing that the black offenders were being discriminated. The petitioners are, Maxwell V. Bishop who provided evidence to show that the black offenders were being discriminated against, and a petitioner in Spinkerllink v. Wainwright, who provided data showing that murderers of the white people were being discriminated against. This report by the petitioner from Spinkerllink indicated that there were high chances of murderers of the white to end up in death rows than murderers of the black people Zeisel, 1981). This though never received any action as the courts are noted to have refused to obtain evidence of racial discrimination. Zeisel notes that the data available in the criminal justice system of Florida, prove that there have been such kinds of discrimination (1981). This is a case that was identified in the 1980’s, but does it exist today? Has the system changed? Racial discrimination has been a major problem in most federal courts with most minorities, especially the black people, facing cruel judgments than the white people. Some reports indicate that more blacks are found behind bars than whites considering their number in the total American population. The people are few in number, yet if the number of people in prison is compared to the white people in prison, they are almost half the whites total. This is the aim of this paper. Analysis of data about arrests made in Florida will be done to determine if the minorities are arrested more and if still, there is racial discrimination. Data to be analyzed was obtained from the Florida department of Law enforcement, which was recorded in the year 2004 by UCR. Analysis Do minority commit more crimes? According to the statistics on arrests by age and race in Florida, there are several offenses for which the white, Indians and the black people were arrested. Whites constituted a bigger group of people arrested with a total of 672,987, this is followed by the black people who were a total of 351,871. The total Indians arrested were 1,496 (Department of Law Enforcement, 2005). There are some offenses that no Indian was arrested at all, for example bribery and embezzlement. Comparing this to the other groups, a total of 38 whites were arrested for bribery and 20 black people for the same offense. In the case of embezzlement, 363 blacks were arrested while 749 whites were arrested(Department of Law Enforcement, 2005. The offense categorized as miscellaneous had the highest number of offenders with 299, 442 white offenders, 159,378 black offenders and 1,034 Indian offenders. Drug arrest and simple assault also had high numbers of offenders. White people arrested for simple assault were 60, 018, while the black offenders in this case were 29,650, and the Indian offenders arrested for this case were 89. Drug arrests had these numbers; whites 84,829, black people 65,167 and Indians 112 (Department of Law Enforcement, 2005. These are examples from the data obtained about arrests made in the year 2004 under various offenses. Generally, the minority, which in this case is the black people, committed more crime. This is because the number of black people in Florida compared to the total population is small. Research reports show that in the year 2000, the percentage of non white people was 17. 8. The total population of Florida then was 15,982,824 (Schenker, 2008). From this data, it means that the non white people were only 2,844,943. This includes even the Indians. The population in the year 2007 is noted to be 18,680,367 indicating a growth of 16. 9%. This means that on average, each year, there was an approximate growth increase of 449,591 making an approximate of 177, 811,88 total population of Florida as at 2004. The rate of increase of the the non white population per year is approximated as 0. 31% (8,819) based on the fact that the total percentage increase of the total population by 2010 is 19. 8% (Schenker, 2008). This means that the total non white population based on the yearly increase was approximately 2,880,219 in 2004. If this population is compared with the approximated total population in 2004, then the number of non white people is small compared to white. This is proof that more blacks commit more crimes according to the data from the Florida Department of Law Enforcement. An example is in drug arrests. The number of white people arrested in this case is 84, 829. The total number of white people if approximated in the year 2004 was 14,900,969. From this the percentage of the white people arrested is 0. 569%. If this is compared to the number of black people arrested which is 65,167 on drug arrests, the percentage arrested to the nonwhite population is 2. 263%. This calculation is done using the total of non white people which includes Indians. If the number of Indians were excluded, then it means the total percentage would be higher. From this calculation, the number of black people arrested is higher by 1. 694%. How can this be judged? That these people commit more crimes? According to several sources, there have been so many cases of discrimination against black people living in America. This could just be a proof to it. It is though just an assumption since the number of people arrested cannot prove that the people are being discriminated against, though is a strong indication. Domnitiz and Knowles noted after research that black people were found to be guilty in police practices more than the white people. The economists note that â€Å"unbiased police practices as the police plans to do, can not prove that the guilt rates of motorists will be equalized among all races† This implies that however much the police try to show that they do not practice any racism in their policing, there is still knowledge by the public that there is racial discrimination in police practices. Domnitiz and Knowles indicated that motor vehicle search statistics show that the black motorists are singled out more that the white people (2006). The above case could therefore be considered as racial discrimination. Conclusion  From the above analysis, it is quite evident that there is racism. Just from the many sources that information is obtained, most of the cases are just indicating discrimination against the black people. In some sources though, black policemen were also found to be discriminative (Jaynes and Williams, 2007). This though is not indicated in the discussion but is an indication that even the black can discriminate against the other races. It may be therefore that, discrimination is due to the fact that the black are a minority. It is not easy to conclude this way though as there are other races in Florida too. What then can be the reason?

Digi Situational Analysis

Situational Analysis Company Profile Analysis DIGI is the first telecommunication to operate and launch a full digital cellular network in Malaysia on 24 May 1995. Besides, DIGI were also become the first to offer GPRS (2. 5G) and later EDGE (2. 75G) in 14 May 2004 in Malaysia. DIGI is a mobile communication services provider in Malaysia. DIGI has provided service to individuals, businesses and other operators which owned subsidiary, DIGI Telecommunication SDN BHD. There are two packages option offers by DIGI to mobile subscribers is prepaid plan and postpaid voice plan.DIGI has provided variety mobile communication service including SMS, mobile broadband and international roaming and calling and WAP services. According to DIGI the first quarter of 2012 of Non-Audited financial statement, their total net operating revenues increase from RM 1,443,428 thousands to RM 1,575,055 thousands, which increases with 9. 12%. DIGI has approximately RM 4. 9 billion with a subscriber base 0f 7. 7 million. Since year 2005, DIGI has returned in excess of RM6. 8 billion in cash to their entire shareholder, it shows a result that DIGI has a strong capital discipline.Moreover, year 2007, DIGI continues perform well which they improve on their commercial focus and it results their annual revenue growth in excess of 5% between year 2007 and 2010. Product Analysis DIGI is simple to pronounce and spell, which it makes people easy to recall. DIGI has distinguishes itself from the mobile services industry by its distinctive brand name. DIGI are using yellow, white and black color to packaging its own product. The combination of this color can connect or develop target audience of the generation who are vibrant, fresh and ambitious.DIGI is a Telecommunication company, so it has provided different type of mobile and internet services. All these services are including SMS, data plans, prepaid and postpaid voice plans, international roaming and calling and WAP services. For their prepaid v oice plan, DIGI latest prepaid voice plan is called DIGI Easy Prepaid. This package is very effective today, this is because it can enable DIGI user to enjoy 24 hour free calls, SMS and free log into Facebook (zero Facebook). DIGI user can interact with their 3 DIGI Buddyz by free calling or free SMS in 24 hour. There are 80% of mobile subscribers in Malaysia are prepaid users, so DIGI s leading this prepaid market by enhance the value in this segment by increase customer needs and richer mobile features that can made DIGI users can truly appreciate. Besides, DIGI also reward their prepaid user by 10 free SMS when customer reloads as little as RM10. Besides, DIGI also provide postpaid plan to DIGI customers. The package that offers by DIGI is DIGI Smart Plan. This package enable customer to enjoy the unlimited internet access services. By the same token, DIGI also offers the Iphone, Samsung and tablet plan to their customers. Now, DIGI has also offers free Nano sim card to the new D IGI users.Moreover, DIGI also launch their Turbo 3G service on year 2009. The DIGI Turbo 3G is located at most urban and populated area in Malaysia. This 3G service is available for prepaid and postpaid voice plan and also for the broadband. IMC Objective Strengthen Image The objective of DIGI is to develop and strengthen the images of their brand towards the youth and business markets. There is fierce competition on the telecommunication market nowadays. With strong images the company is able to have strong awareness in the mind of consumers and can distinguish themselves over competitors.Higher recognition of the brand through good images could provide loyalty of customers toward the DIGI. For the year 2011, DIGI has invest RM9 million to create their brand advertising campaign and positioning DIGI is an contemporary, innovative, lifestyle centric and quality services that would satisfy their customer’s needs. DIGI is tending to offers the better quality of product and serv ices to increase the customers’ mobility. Through the advertising, DIGI evolves with time to interact with customers and it show DIGI is understand the lifestyle need of DIGI customer. Increase SalesThere are another important objective for DIGI to achieve is the sales and revenues. This is because only revenue or profit allows a company to operate its business well. To achieve this goal, DIGI is keep improving their coverage network and quality services. Besides, DIGI also develop a customer service which with quality and efficient. DIGI product and services is user friendly and it is highly personalized. Through the advertising, DIGI is telling the customer they are improving their coverage and services, it will build trust and confident of customer toward DIGI. So, it will help DIGI to increase sales and revenue.

Entrepreneurship Research Assignment Proposal Example | Topics and Well Written Essays - 1500 words

Entrepreneurship Assignment - Research Proposal Example The primary idea would be to spread the idea to all the finishing school graduates and also ensure the very penetration of the concept deep into their minds and hearts the importance of such training and its impact. It would require wide marketing to ensure better spread of the concept. The marketing aspect would make certain quite good spread of the concept in the education arena so that the finishing school graduates, working professionals and executives would recognize the exact need for enhancing their career prospects. The primary strategy would be to market the concept to the educational departments and colleges. Seminars would be conducted at the colleges to integrate the need among the students. The very strategy to ensure appropriate degree of education for the finishing school would be detailed further in the seminar. The seminar would focus on identifying the loopholes one usually possess, some games and demo or mock interviews. This would not only focus on their strengths and weaknesses but would make a mark to make them realize their negatives. Once the concept penetration is successful, the project sails smoothly. The primary idea for making the right strategy would guarantee a better preparation for the youths to be a deployable for the industry (Reynolds, 2000). The training would ensure giving a right shape to the finishing school graduates and would ensure a better preparation for meeting up the business needs. The domain requirements are placed first but it requires to be sharpened across the edge. The communication skills enable a better shape to the graduates. The various infrastructure, faculty and resources for the purpose can be filled with a simple investment either from bank or personal resources. The marketing strategy would also go far into web marketing and ensuring a great deal of awareness. Opportunity 2: Hobbies often become extinct when a person grows up with their primary career. The little things which they pursue in their childhood is barely capitalized and simply forgotten once the monetary aspects come in the picture. The hobbies like collecting coins, playing games, writing, writing poems and singing and so many other things can often be taken up for a successful career. The idea here is to establish a stage where these small discoveries and passion would meet limelight. The concept is of an organization which would prioritize the small things rural children do as a hobby and market them widely to provide encouragement to the youngsters. Such materials like painting, crockery, utensils made of elementary stuff, making candles and writing poems are some of the things that can be put in one page for one to contribute more to it. The business idea is to put up a website to display and sell them for gathering a sum of money to contribute for the unprivileged. The rural sector is quite engaged in such things both as a passion and as a business for earning their daily food (Cooper, 2002). The idea is to organize seminars for the rural people and educate and upgrade them to learn some skills which they can excel with