Scientists Unravel the Bizarre Physics of the Mpemba Effect

Scientists are uncovering the mysteries of the Mpemba effect. The Mpemba effect, whereby hotter systems can cool faster than cooler ones under identical conditions, was first noted by Aristotle over 2,000 years ago. It was rediscovered in 1963 by Tanzanian student Erasto Mpemba, who observed the phenomenon while making ice cream during a school cooking [...]