This is a short summary of the paper
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Nuclear Weapons Are A Threat To All
Start of Term Paper
Ever since the first nuclear weapon was built in 1945, nuclear war
has been a threat. The two major nuclear powers in the world today are
the Soviet Union and the United States. If a war ever broke out between
the two, which involved the use .... Middle of Term Paper
... when a neutron collides with the nucleus of an atom.
The protons in the nucleus are transformed into a great amount of energy
and two or three more neutrons are sent out, which go on to split other
nuclei. If this continues a process called a chain reaction will occur.
When this happens a fission explosion is the result. To form a chain
reaction, a certain amount of material is needed. This amount is known as
the critical mass. If the amount is too small it is known as a
subcritical mass. The critical mass of a material depends on its purity.
The materials used in making fission weapons are uranium and plutonium.
They are the only ele ... |
| Number of Words: 863 |
Approximate Pages: 4 |
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