this post was submitted on 25 Feb 2024
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[–] Liz@midwest.social 1 points 9 months ago

If you've got more than 52 kg of uranium 235 on your hands, I would be alarmed to learn you didn't understand how criticality worked. Although now that I think of it, there's probably an awful lot of people who indirectly handle that much when they move around a nuclear warhead and most of them probably only had a single lecture on the concept.

The thing that always blows my mind is just how freaking dense uranium is. A sphere weighing 52 kg is only 17 cm across.