“Four hostile newspapers are more to be feared than a thousand bayonets.” Attributed to Napoleon Bonaparte, Statesman (1769-1821).
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’.