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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.
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.
While artists are busy crafting new works and joining the wider world of art, scam artists wait in the wings to steal their concepts.
I’d show photos. The first photo is of my twin brother and me wearing the hat. I’d also tell them the importance of the company motto: 'Enjoy teaching a child the art of fishing.' "
Image credits: lizzobeeating “Sometimes, it can have the effect of actually making a person look older — because the fat in our cheeks is what gives us a more youthful look.”
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)
The real Mpemba effect seems to be the complete abandonment of the scientific method by amateurs and scientists alike. Although there seems to be considerable anecdotal evidence for the effect there are no sources giving anything that could remotely be called a scientific description of the claimed effect.