> I was pretty sceptical about Gene's claim, especially for nowadays, but
> I just found
> https://www.physicsforums.com/threads/insulated-copper-wire-turned-into-gray-powder.976956/
> FWIW. From 2019.

Yeah, I saw that one as well, but note that the black wire also saw
"corrosion" (tho less so), and on the photo the red looks like plain old
red rather than "hot red"/magenta.


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