innocently in 1896‚ when Antoine Henri Becquerel discovered radioactivity in Uranium. The next step came in 1902 when Marie and Pierre Curie isolated radioactive metal called Radium. In 1934‚ Enrico Fermi of Italy disintegrated heavy atoms by spraying them with neutrons. Unfortunately‚ he didn’t realize that he had achieved nuclear fission‚ In December 1938‚ Otto Hahn and Fritz Strassman in Berlin did a similar experiment with Uranium and were
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all this comes with a far lighter fuel requirement. Nuclear fission produces roughly a million times more energy per unit weight than fossil fuel alternatives [source: Helman]. And then there are the negatives. Historically‚ mining and purifying uranium hasn’t been a very clean process. Even transporting nuclear fuel to and from plants poses a contamination risk. And once the fuel is spent‚ you can’t just throw it in the city dump. It’s still radioactive and potentially deadly. On average‚ a nuclear
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people‚ if they could get almost infinite energy for almost nothing‚ they would probably do it. But Nuclear Fusion‚ unlike its cousin‚ Nuclear Fission‚ is quite difficult to achieve. Nuclear fission is the process of splitting large atoms‚ usually Uranium 235‚ to produce massive amounts of energy. The process enacted within all nuclear power plants is Nuclear Fission. Nuclear Fusion‚ on the other hand‚ is the exact opposite; Taking small atoms such as Hydrogen and pushing them together to build larger
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Outlines COURSE CODE (CC 88-167) ENERGY AND ENVIRONMENT Part II: Energy and Essential Resources Chapter 5: Nuclear Power 1. 2. 3. 4. 5. 6. Working principle Nuclear reactors Detection and safety issues Radioactive wastes treatment Comparison to other powers Possible alternatives 1 Do you know? 2 Mass & Atomic Numbers Isotopes All of the following are possible sources of radiation except a. background radiation from the Earth’s crust. b. nuclear waste. c
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fission‚ n. d.). The heat is then used to generate steam to drive turbines (Hill‚ Mechelynck‚ Ripka‚ & van der Zwaan‚ 1999). The pressurised water reactor is the most commonly used nuclear power reactor. This kind of reactor uses fuel rods made of uranium oxide‚ and control rods are uses to control the rate of heat generation. These control rods can also be used to achieve shut down. 3. Problem of fossil fuels 3.1. Global warming Burning of fossil fuels produces carbon dioxide‚ which causes global
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In this era of modern technology‚ electricity is universally needed constantly. There are several ways to generate electricity‚ and nuclear energy is one of them. The process of generating electricity from radioactive materials such as uranium‚ is complicated‚ hard and dangerous. The process is called nuclear fission‚ it works by splitting particular atoms to generate heat. Nuclear energy is clean and would also open up more job opportunities within the community. People’s opinions of
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natural isotopes of relative atomic mass less than 208 are not radioactive. Those from 210 and up are all radioactive.”(Radioisotope - Hutchinson Encyclopedia) (Radioisotopes image) An example of such radioisotopes is uranium‚ which has been serving us for the past 50 years. Uranium is found in various parts of the world‚ this metal is used to produce about 11% of the world’s energy needs by different procedures. In 1956‚ the first large-scale nuclear power station started in England. Nuclear energy
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Naturally In Nature?: No Except in trace quantities as a product of spontaneous fission and the alpha decay of Eu^151. How Much Of Your Element Exists?: Unknown because it is a product of fissionHow Is It Created If Made By Humans?: By product of Uranium Fission / Spontaneous FissionIs Your Element Necessary For Humans To Live Healthy Lives?: NoSources: http://education.jlab.org/itselemental/ele061.html http://www.webelements.com/promethium/ http://www.chemicool.com/elements/promethium
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Energy crisis has become one of the major problem all over the world‚ Especially the developed world needs more energy‚ countries like USA‚ consumes 5times more energy than the rest of the world‚ however the developing countries like India and China are also in raise of energy consumptions‚ and these consumptions will increase. Even though fossil fuels were satisfying the people needs all these years‚ the emissions from it‚ called the green house gasses results in Global Warming‚ which has become
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most suitably meet his needs. 4. Explain how the shopping characteristics for the following consumer and industrial goods affect the channels for them: Consumer Goods Industrial Goods Bread Computer printer ink cartridges Women’s hats Uranium (for nuclear power
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