BrainStuff

Why Is It Painful To Bite Aluminum Foil?

Aug 7, 2017 · 2 min · 2.7 MB
0:00-2:46

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When (dental) metal in your mouth comes in contact with aluminum foil, your teeth get a painful shock from the electricity produced. Christian Sager explains how the voltaic effect plays out in your mouth in this episode of BrainStuff.

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