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Comment by jjmarr

21 hours ago

But you want that to happen in space and to control the output of energy.

Otherwise you just have a bomb.

The difference between a bomb and a reactor is just clever engineering.

  • It's much easier to make a fission reactor than a fission bomb, and much easier to make a fusion bomb than a fusion reaction. They are not even that similar.

    • It's way easier to make a fission bomb than a fission reactor. I reactor has to stay in the very narrow window where it's critical but not prompt critical. Even pure fission bombs can be marvels of engineering but the simplest gun-type bomb is easier to build than the simplest nuclear reactor.