Eli5: Why is it so hard for a country to make a nuclear bomb?

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I’m assuming the science of making one is out there. Why then countries like Iran who so want to develop atomic weapons haven’t been able to do so?

In: Physics

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Anonymous 0 Comments

There was a story I heard a weapons inspector tell of his inspection of some Libyan sites. They were looking at centrefuge rotors and he picked one up with his bare hands because he knew that would render it useless. These rotors spin at over 100k rpm day in day out for extended periods of time. The oils and the corrosion from them would ruin the balance and that rotor could never be used. The engineering required to build these things is insane. This one part of the fuel cycle is what trips up most powers looking to build the bomb. India for example tested a plutonium bomb because they didn’t have this ability to refine uranium. So this tech is out of reach of a proven nuclear power. So in short it’s hard.

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