cold science

a chilly -18°F this morning. Perfect weather for a little cold science…

Water does this for a few reasons, some of which a little complicated.

Certainly some of the effect is due to the fact that the now tiny droplets of boiling water spread out and will freeze much faster than if they remained in the container.  But there’s another effect going on that’s referred to as the Mpemba effect.  It has to do with hot water freezing faster than cold water due to evaporation rates.  And if you really want to know, due to the effect heat has on the length of H2O’s hydrogen and covenant bonds….

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