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tambourine_man
on March 15, 2018
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Physicists Still Don’t Know What Puts the Curl in ...
Physics Confession
https://xkcd.com/1867/
joenot443
on March 15, 2018
[–]
Is that true? Do we really not know how ice skates work?
deelowe
on March 15, 2018
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I don't think there's an agreed upon explanation for why ice melts so easily when it's compressed, but I may be misremembering.
cygx
on March 15, 2018
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https://www.explainxkcd.com/wiki/index.php/1867:_Physics_Con...
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