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2024-10-04 16:47:13 UTC
in reply to

George Dinwiddie on Nostr: Do you know about half-lives of radio-isotopes? How thick does the concrete have to ...

Do you know about half-lives of radio-isotopes?

How thick does the concrete have to be to block the radioactive emissions?

I don't think you envision even the order of magnitude of the problems involved.