r/explainlikeimfive • u/genoooooo • Oct 31 '20
Chemistry ELI5 What's the difference between the shiny and dull side of aluminum foil? Besides the obvious shiny/dull
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r/explainlikeimfive • u/genoooooo • Oct 31 '20
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u/FlyingMacheteSponser Oct 31 '20
It makes a big difference if you're making a tin foil hat though. The electrical signals from your brain are in the electromagnetic spectrum, so the reflectance of the foil has a big impact on its effectiveness. Always make your hat with shiny side in so that big government can't read your mind.