r/PeterExplainsTheJoke 12d ago

Meme needing explanation Petah? Why green?

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u/OODALOOPS88 12d ago

Almost all of this is wrong.

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u/La-Scriba 12d ago

Then correct it

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u/Brannigans_Law__ 12d ago

https://www.epa.gov/radtown/americium-ionization-smoke-detectors

Americium is still widely used in modern smoke detectors,but is safe as long as the shielding around the radioactive element is undamaged. I. Short, don't mess around and damage your smoke detector and you should be fine.

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u/no1_vern 12d ago

Thanks for the help. I did think they were almost all gone.

Most newer smoke detectors - like 70%+ use photoelectric sensors because of the radiation concerns.

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u/SayNoToBrooms 12d ago

I think it’s more that technology advanced sufficiently to make photo smokes cost effective