“Wealth consists not in having great possessions, but in having few wants.”
Epictetus, Greek philosopher (c50-135AD)
Tuesday, 19 November 2013
Using heat to make magnets
EPFL scientists have provided the first evidence ever that it is possible to generate a magnetic field by using heat instead of electricity. The phenomenon is referred to as the Magnetic Seebeck effect or ‘thermomagnetism’.