Scientists Offer £1,000 Prize for Answer to
the Question: Why Does Hot Water Freeze Faster Than Cold?
It is the baffling
question which has perplexed the world's greatest scientific minds
and even eluded great thinkers like Aristotle.
But now scientists
have become so infuriated about the mystery of why hot water freezes
faster than cold, that they have put up a cash reward to find the
The Royal Society
of Chemistry has offered £1,000 for a member of the public
to come up with a convincing explanation for the phenomenon, which
has mystified humankind.
problem, which has become known as the Mpemba effect, has also defeated
Francis Bacon and René Descartes.
got its modern name in 1968, when Tanzanian student Erasto Mpemba
posed the question to professors visiting his school.
who had been studying the problem for five years, had asked Professor
Denis Osborne, of Dar es Salaam University: 'If you take two similar
containers with equal volumes of water, one at 35C and the other
at 100C, and put them in a refrigerator, the one that started at
100C freezes first. Why?'
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