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Fission Or Fusion
Part 1 of Paper
....on 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 .... Part 2 of Paper
....nergy-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,.... |
| Number of words: 1273 - Approximate pages: 5 |
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