Why do we use Uranium and Plutonium for nukes? Is it possible to use other elements?
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In order for a nuclear bomb to work you need a material that this specific property:
When it is struck by a fast moving neutron, it splits.
When it splits, it creates multiple new fast moving neutrons.
The way it work is that its a chain effect, one atom is split making multiple neutrons, these neutrons go into a new atom and splits that, and more and more neutrons are released and shit goes boom.
U-235 and Pu-239 are the only elements that does that as far as I know, so those are used.
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