The Fall of a Plutonium Core

In the first of two serious accidents a scientist was performing experiments on the core when he mishandled a component and it sounds so fucking frightening because again, it's also real loose too. That's one of those things I had to like figure out how to wrap my brain around because I couldn't really understand When they talk about piles and cores and like what does this even mean bricks and bricks because he dropped a brick Yeah, and then I realized oh, it's just that It's just a pile like it's they put it in a metal circle like the plutonium in a metalcircle And then they build these bricks of stuff around it that are supposed to make all the neutrons within it Bounce