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The Mpemba effect is the name given to the observation that a liquid (typically water) that is initially hot can freeze faster than the same liquid which begins cold, under otherwise similar conditions. There is disagreement about its theoretical basis and the parameters required to produce the effect.
Erasto Bartholomeo Mpemba [1] (1950–2023) [note 1] was a Tanzanian game warden who, as a schoolboy, discovered the eponymously named Mpemba effect, a paradoxical phenomenon in which hot water freezes faster than cold water under certain conditions; this effect had been observed previously by Aristotle, Francis Bacon, and René Descartes.
While the less scientific persons are easiliy tricked into believing the story, they are also further tricked by statements like—"...given as a cautionary parable to those who reject theories or experiments solely because they seem counterintuitive, or contradict accepted theories,...etc.,etc,.etc.", and "The Mpemba effect is the somewhat ...
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The Mpemba Effect relates to hot water freezing faster than cold water in certain circumstances, none of which is identified as having been thrown up in the air. Also, while the Mpemba Effect is not well understood, the trick of throwing hot water into very cold air so that it quickly vaporizes and then condenses into small droplets and freezes ...
Popular examples of the Mandela effect. Here are some Mandela effect examples that have confused me over the years — and many others too. Grab your friends and see which false memories you may ...
(de Sitter effect: see) Geodetic effect (general relativity) Debye–Falkenhagen effect; Decoy effect (consumer behavior) (decision theory) (economic theories) (finance theory) (marketing) Delay (audio effect) (audio effects) (effects units) (musical techniques) Dellinger effect (radio communications) Dember effect (electrical phenomena) (physics)
Mpemba effect – Natural phenomenon that hot water freezes faster than cold; Oral rehydration therapy – Type of fluid replacement used to prevent and treat dehydration; Osmotic power – Energy available from the difference in the salt concentration between seawater and river water; Oxyhydrogen – Explosive mixture of hydrogen and oxygen gases