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Nuclear Fission |
| In nuclear fission, a heavy atomic nucleus, such as
that of uranium or plutonium, will break up into two lighter nuclei. In
the fission process, a large quantity of energy is released, radioactive
products are formed, and several neutrons are emitted. The released neutrons can also induce fission in a nearby nucleus of fissionable material and release more neutrons that can repeat the sequence, causing a chain reaction. Movie and text courtesy of the Atomic Archive.
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