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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.
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.
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 ...
Mpemba was a confederation in the western Congo Basin, at least from the 13th century. Its northernmost territory, Mpemba Kasi , was incorporated into the founding of the Kingdom of Kongo in the 14th century, and it was conquered.
In addition to Murthy, the commission, which includes a diverse set of international policy-makers, thought leaders and advocates, will be chaired by African Union Youth Envoy Chido Mpemba, who is ...
Mpemba is an African name that may refer to Mpemba, a 13th century confederation in the Congo Basin; Mpemba Kasi, a 14th century Bantu kingdom and northernmost territory of Mpemba, which was incorporated into the founding of the Kingdom of Kongo; Erasto B. Mpemba (born 1950), Tanzanian game warden who discovered the Mpemba effect in water
SOURCE: Integrated Postsecondary Education Data System, Texas A & M University-College Station (2014, 2013, 2012, 2011, 2010).Read our methodology here.. HuffPost and The Chronicle examined 201 public D-I schools from 2010-2014.