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Fusion: Our Future's Energy? - College Term Papers

Fusion: Our Future's Energy?

Fusion energy seems to be the most promising energy source of the not-too-distant future. It is safe, it uses an energy supply that is so abundant that it will never run out, it gives off harmless waste, and it produces energy comparable to the Earth's sun! But are there any problems with this hopeful energy source?
What is Nuclear Fusion?
To understand fusion, it is a good idea to know about fission. This is the splitting of the nuclei of atoms into two or more smaller nuclei by bombarding them with neutrons of low energy. It was discovered in the 1930's in an attempt to make transuranium elements (elements with atomic numbers greater than Uranium that do not exist in nature). They ...

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Another problem is the energy it needs. It uses an element that is hard to find and which will eventually run out. Also, the reaction cannot be easily stopped and if it can't be stopped, a nuclear meltdown can occur. This is a serious environmental concern.
Fusion is different. It is a process that combines two nuclei into one, releasing an amount of energy that is far greater than that of fission. In a common type of reaction, two isotopes of hydrogen, deuterium and tritium fuse together, making helium and a neutron. A small amount of the mass produced is converted into an enormous burst of energy.

Difficulty Of A Fusion Reaction

The main difficulty in a fusion reaction is the heat needed for it to occur. A reaction such as fusion that requires an intense amount of heat is called a thermonuclear reaction. It commonly takes place in huge machines called tokamaks. It can only occur in a special form of matter called plasma, a gas made up of free electrons and nuclei. When ...

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Fusion: Our Future's Energy?. (2008, January 2). Retrieved November 22, 2024, from http://www.essayworld.com/essays/Fusion-Our-Futures-Energy/76863

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PAPER DETAILS

Added: 1/2/2008 11:14:06 PM
Category: Science & Nature
Type: Premium Paper
Words: 967
Pages: 4

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