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It isn't only steel [0]. Old, low-background lead is necessary for some instruments. [0] https://www.theatlantic.com/science/archive/2019/10/search-dark-matter
by jet_32951 5y ago
It isn't only steel [0]. Old, low-background lead is necessary for some instruments.
[0] https://www.theatlantic.com/science/archive/2019/10/search-dark-matter-depends-ancient-shipwrecks/600718/ https://www.theatlantic.com/science/archive/2019/10/search-d...