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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.
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.
The 'recent view of the Mpemba effect' was put in as balance as recent papers still remain undecided over the reason for the Mpemba effect, at least there is no consensus in the recent scientific literature; the reasons still being given are in the 'Causes' section of the article.
Homeownership has long been known as a tool for building wealth and lifting Americans into the middle class. But a new report highlights other ways in which renting burdens many households ...
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 ...
Newly hired University of North Carolina football coach Bill Belichick insisted Thursday he's sold on the college game and not looking for a steppingstone back to pro ball.
December 12, 2024 at 11:14 AM. ... London-listed Dar Global's chief executive said the other new joint project planned in Riyadh is a Trump Golf community similar to one launched in Oman in 2022.
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