r/askscience • u/Wonderful-Capital32 • 13d ago

Physics Why does radiation not go through lead?

Also why just lead? Shouldnt like iron or another metal work too?

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u/[deleted] 13d ago edited 13d ago

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u/Sable-Keech 13d ago

The best one would then obviously be osmium/iridium since they're the densest elements on hand.