Sunday, January 8, 2017

The claim that hot water freezes faster than cold water just got even weirder

how long does it take to freeze water
Despite sounding like the most egregious contradiction in physics, hot water appears to freeze faster than cold water under certain circumstances. The phenomenon can be traced back to Aristotle himself, but after centuries of experiments demonstrating this phenomenon, no one’s been able to explain it. 
Now physicists are pointing to strange properties of hydrogen bonds as the solution to one of the oldest mysteries in physics - but others are claiming the so-called Mpemba effect doesn’t even exist at all.

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