News tagged with electrical field

Optics get magnetic powers

For decades, scientists have studied a class of materials called ‘multiferroics’ in which static electric and magnetic structures are coupled to each other. This allows capabilities such as controlling magnetic ...

dateFeb 03, 2012 in General Physics
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Crystals for efficient refrigeration

(—Researchers at the Carnegie Institution have discovered a new efficient way to pump heat using crystals. The crystals can pump or extract heat, even on the nanoscale, so they could be used on computer chips to ...

dateNov 05, 2012 in General Physics
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The cosmic start of lightning

Even though lightning is a common phenomenon, the exact mechanism triggering a lightning discharge remains elusive. Scientists at the Dutch national research institute for mathematics CWI, the University of Groningen and ...

dateJul 01, 2015 in General Physics
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Controlling magnetism with an electric field

There is a big effort in industry to produce electrical devices with more and faster memory and logic. Magnetic memory elements, such as in a hard drive, and in the future in what is called MRAM (magnetic random access memory), ...

dateFeb 18, 2014 in General Physics
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