4 years ago
The Physics of Why Hot Water Sometimes Freezes Faster Than Cold Water
The story goes that in 1963, Tanzanian high school student Erasto Mpemba was making ice cream with his class when he impatiently put his sugar and milk concoction into the ice cream churner when it was still hot, instead of letting it cool first. To his surprise, the confection cooled faster than his classmates’ had.
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