The Mpemba Effect, named after Erasto Mpemba, is the observation that, in some circumstances, warmer water can freeze faster than colder water. Is it caused by Evaporation, Convection, Frost, Supercooling, Solutes, Thermal Conductivity, Dissolved Gasses?
Click her to learn more: http://en.wikipedia.org/wiki/Mpemba_effect
Read More