Eli5: Why is it so difficult for countries to build nuclear bombs?

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I understand the technology is difficult. My question is more about how is it that some countries have achieved a nuclear arsenal and other countries are still trying? You’d imagine if the scientists and engineers of one country could manage it, those of another country would eventually get it too. Seems an odd convenience that the most dangerous weapons on earth are prohibitively difficult to make. So few humans are smart enough to make them that only 9 countries have achieved it?

In: Engineering

9 Answers

Anonymous 0 Comments

A lot of it isn’t the intelligence. Time, resources, and the fact that no country is supposed to/allowed to establish a nuclear arsenal anymore is a big thing. North Korea is one of the only countries trying to build theirs at the moment but their lack of resources, education systems, and quality labor makes it tough to. Other countries that have tried, like Iran, have issues with sustaining resources primarily as well as they have to try and do it mostly in secret, and containing that large of a nuclear signature isn’t a small feat. Any country catches wind of a change in the atmospheric readings and they start asking questions.

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