News tagged with electrical field

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'.

dateOct 17, 2013 in General Physics
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Surfing on acoustic waves (w/ Video)

(Phys.org) —ETH researchers are able to make objects such as particles and liquid droplets fly in mid-air by letting them ride on acoustic waves. For the first time, they have been able to also control the movement of objects, ...

dateJul 16, 2013 in General Physics
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The onset of electrical resistance

Researchers at the Max-Born-Institute, Berlin, Germany, observed the extremely fast onset of electrical resistance in a semiconductor by following electron motions in real-time.

dateDec 21, 2011 in General Physics
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