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Why can hot water sometimes freeze faster than cold water? In 1963, Erasto Mpemba noticed this while making ice cream, sparking a scientific mystery that still puzzles physicists. The Mpemba effect now appears in materials, magnets and quantum systems, revealing surprising connections between energy, equilibrium and the strange ways nature finds shortcuts.
References/learn more: https://sites.google.com/view/mpemba-effect-references/home
Check out Eons: Life and Death on Pangea: https://to.pbs.org/EonsBeSmart1
Be Smart explores science questions you didn’t even know you wondered about. It is hosted and produced by Joe Hanson, PhD. We post new videos all the time, so please subscribe! If you enjoyed this video, hit the ‘like’ button, leave a comment, or watch another of our videos!
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