The Mpemba Effect (2)

So, you have been mulling over the answer to this one all weekend. What is the Mpemba effect and how will it make me richer? First, the effect: Named after Erasto Mpemba, a Tanzanian student who posted the question in 1968 to a visiting professor to his school (Professor Denis Osborne). 'Why Sir, does hot water freeze faster than cold water? If you take two similar containers with equal volumes of water, heat one so that it is boiling and leave the other ...