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
Most countries could but simply are not interested in building them. The countries that fail, like North Korea, have an economy the size of Vermont.
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