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.


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


TIL you feel pain when you chew on tin foil.


Reading this made my teeth hurt.


Who is chewing tin foil