TIL that the pain you feel from chewing on tin foil is called galvanic shock. Aluminum foil and other metals in your mouth have an electrochemical potential difference. Combined with saliva, which produces a wet, salty environment that’s ideal for the transfer of energy, creating a shock of voltage.

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I can thankfully say, I have never thought to chew on tin foil.

pickycheestickeater

Why does my ape brain have a strong urge to chew on tinfoil now?

aBastardNoLonger

TIL you feel pain when you chew on tin foil.

sakurakhadag

Reading this made my teeth hurt.

tttceee

Who is chewing tin foil

nootnootboots