TIL The Mpemba effect is the name given to the observation that a liquid (typically water) which is initially hot can freeze faster than the same liquid which begins cold, under otherwise similar conditions.

https://en.wikipedia.org/wiki/Mpemba_effect
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gdulem/til_the_mpemba_effect_is_the_name_given_to_the/