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I live near an aluminum foundry and everything going in goes through a radiation detector.

Same with waste incineration plants, for the same resons - apparently it is sensitive enough to detect even diapers with radio contrast therapy residue inside a full garbage truck.

Some airports got these post-911. They were called "granny detectors" because rather than finding dirty bombs they always found the old person who just underwent a scan using radioactive tracer.

They reality is that many medical procedures irradiate patients. Many dead bodies, if they were not human, would be radioactive enough to be considered hazardous.

> Many dead bodies, if they were not human, would be radioactive enough to be considered hazardous.

I'm curious, can they be (safely) cremated?

Well... they are. A more interesting question is whether such people should be allowed out of hospital. For all the people afraid of letting thier kids play near cellphone towers, perhaps they shouldn't hug grandma for a while after such procedures.

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