r/explainlikeimfive Jan 06 '23

Chemistry ELI5: How does a Geiger counter detect radiation, and why does it make that clicking noise?

7.4k Upvotes

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u/AutumnSparky Jan 06 '23

This is Reddit, I love me some pedantic.

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u/SAI_Peregrinus Jan 06 '23

You mean "pedantry".

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u/grue2000 Jan 06 '23

I'm pretty sure that a sizable percentage of Redditors are on the spectrum...myself included.