3 ms·
Is that true? Do we really not know how ice skates work?
Is that true? Do we really not know how ice skates work?
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.
https://www.explainxkcd.com/wiki/index.php/1867:_Physics_Confession https://www.explainxkcd.com/wiki/index.php/1867:_Physics_Con...