John Carmack
@ID_AA_Carmack · Mar 20, 2024
I just noticed that 9 volt batteries (internally multiple cells, unlike AA) are still labeled as “piles”, just like Alessandro Volta’s original pile of zinc and silver discs.
Elon Musk
@elonmusk
Weird that the inside of a rectangular 9 volt battery is actually a bunch of small cylindrical cells
10:37 PM · March 20, 2024 · 63.1K views
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