/u/[deleted]'s posts in /r/askscience
If I were to clap my hands in space, what would happen to the energy that would normally produce a sound?
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Why does being wet sometimes decrease friction, like when slipping on a wet floor, but at other times increase it, like when trying to remove a damp wetsuit? NSFW
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Suppose I firmly place my palm against the wall. What dos this hand-wall interface look like at the atomic level?
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191 upvotes
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191 upvotes
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