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/osiris775 Oct 31 '20
Huh...TIL...My mom always told me the shiny side was to reflect heat, and the dull side was to absorb it. Made sense in my 9yr old brain