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Nuclear Fission

Nuclear energy the energy stored in the nucleus of an atom and released through fission, fusion, or radioactivity. In these processes a small amount of mass is converted to enormous amounts of energy according to the relationship E = mc2, where E is energy, m is mass, and c is the speed of light.

Nuclear fission was first discovered in 1938 by two scientist whose names are Otto Hahn and Fritz Strassman. Hahn and Strassman’s experiment wass supposed to be a repetition on Enrico Fermi’s earlier experiment which produced Neptunium-239 after the bombardment of Uranium-238. To their dismay, Hahn and Strassman produced barium in their experiment which was unjustly ruled as an impurity. They also noticed a missing amount of matter during this reaction which contradicted the Law of Conservation of Matter. These scientists were unfortunate in explaining what had just happened in their experiment. Their experiment was later interpreted correctly by Lise Meitner 1939. Meitner concluded that a Uranium nucleus had split during this reaction producing a source of tremendous amount of energy along with the Barium and other elements. Meitner’s conclusions were not proved until later investigations.


Ultimately, fission is the power needed for the ever-expanding energy-hungry human beings. It may have its side-effects and it can exploited for the malicious purposes of individuals but in one word, it can be defined as essential.

n large turbines which in turn drive generators that produce electricity.

The use of fission to make nuclear weapons began in the early to mid-1900s. The incentive was mainly set forth by the world powers (mainly US and Germany) to create weapons of mass destruction. Fission, for the use of bombs is almost identical to the way humans make nuclear power except for one thing, the reaction is uncontrolled purposefully. The term for this is a run-away reaction. Uranium or Plutonium, in large amounts (relative to amount needed for nuclear power), is bombarded with neutrons where then energy is expelled in a violent and explosive manner. The amount of Uranium or Plutonium contained in the bomb is what determines the impact the bomb will have on the area where it is detonated or to what extent may be.

be used in two ways: to aid or to injure. The aiding portion consists of providing electrical energy to power the machines that simplify life’s daily tasks. Unfortunately, fission can also be used to power weapons of mass destruction such as the atomic bomb.

Most elements have very stable atoms which are very hard to split except by nuclear b

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Approximate Word count = 933
Approximate Pages = 4 (250 words per page double spaced)


  

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