Nuclear Weapons Are A Threat To All
Beginning of 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 of nuclear weapons, the whole world would
suffer from ....
Middle of paper
.... 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 pl ....
------------------
Word count: 863
Page count: 4 (approximately 250 words per page)
