News tagged with electrical field

An unexpected clue to thermopower efficiency

Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and their colleagues have discovered a new relation among electric and magnetic fields and differences in ...

Jul 28, 2011
4.9 / 5 (18) 6 | with audio podcast

Lead-free piezoelectric materials of the future

Piezoelectric materials have fantastic properties: squeeze them and they generate an electrical field. And vice-versa, they contract or expand when jolted with an electrical pulse. With a name derived from the Greek word ...

Sep 14, 2010
3.2 / 5 (5) 0 | with audio podcast

Powerful new way to control magnetism

A team of scientists at Rutgers University has found a material in which an electric field can control the overall magnetic properties of the material. If the magnetoelectric effect discovered by the Rutgers group can be ...

Aug 23, 2010
4.7 / 5 (15) 2 | with audio podcast