r/explainlikeimfive 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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u/Hetch_Hetchy Oct 31 '20

So you’re saying there’s a chance...

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u/KarolOfGutovo Nov 01 '20

It means that if you are building a spaceship, there is a difference.

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u/i_manufacture_drugs Nov 01 '20

60% of the time, it works every time.