Why can’t we use like a sheet of Gold or something
In: Chemistry
Lead is extremely dense, which makes it hard for a radioactive particle to thread a path through. It’s also very stable (it is the end product of many decay pathways) so incoming high energy particles are unlikely to light off another fission event and produce more trouble.
Now it’s not *the* densest metal around, but lining a reactor shield with gold or osmium is cost prohibitive.
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