News tagged with electrical field

Researchers develop light transistor

TU Vienna has managed to turn the oscillation direction of beams of light – simply by applying an electrical current to a special material. This way, a transistor can be built that functions with light instead of electrical ...

dateJul 08, 2013 in General Physics
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Measuring the mass of 'massless' electrons

(—Individual electrons in graphene are massless, but when they move together, it's a different story. Graphene, a one-atom-thick carbon sheet, has taken the world of physics by storm—in part, because its electrons ...

dateJun 23, 2014 in Nanophysics
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Swarm heads for new heights

( —Some tricky manoeuvres are now under way to steer ESA's trio of Swarm satellites into their respective orbits so that they can start delivering the best-ever survey of our magnetic field.

dateFeb 07, 2014 in Space Exploration
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