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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.
Mozart effect (education psychology) (popular psychology) (psychological theories) (Wolfgang Amadeus Mozart) Mpemba effect (phase changes) (physical paradoxes) (thermodynamics) Mullins effect (rubber properties) Multiple-effect humidification (drinking water) (water supply) (water treatment) Munroe effect (explosive weapons) (explosives)
After a student in a physics lecture, Erasto Mpemba, asked him why hot water sometimes freezes faster than cold water, Osborne experimented to confirm Mpemba's observation, and together they co-authored a paper on what is now known as the Mpemba effect. [3]
The House voted on Wednesday to pass a critical defense policy bill known as the National Defense Authorization Act, which includes a ban against gender-affirming care for some transgender ...
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 share. 1.
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.
A diet rich in fruits, vegetables, whole grains, fish, legumes, and dairy may help lower the risk of gastrointestinal cancers, including colorectal cancer, recent research suggests.