Rough calculation from 1948 on number of atomic bombs necessary to make USA and globe lethally radioactive. Comes out to 1,000-60,000 Mt.pic.twitter.com/KDpQhHR6sd
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I hadn't seen the picture of the radioactive syringe before! That's pretty wild.
I got that photo from @orau's excellent online Health Physics museum: https://www.orau.org/PTP/collection/nuclearmedicine/syringeshield.htm …
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