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 ...
General Physics
Jul 8, 2013
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(Phys.org) —Researchers in Singapore, with assistance from materials scientist Ramamoorthy Ramesh, of the University of California, have succeeded in building a prototype ferroelectric memory device that uses light to read ...
(Phys.org) —Wouldn't it be great to have a magical "energy box" that could convert a wide array of fuels to electricity with high efficiency and lower emissions? Solid oxide fuel cells (SOFCs) show significant promise. ...
Condensed Matter
Jun 3, 2013
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(Phys.org) —Using computer models, a graduate student at the University of Arkansas has collaborated with scientists in the United States and Europe to observe a new magnetic state of bismuth ferrite.
Condensed Matter
May 1, 2013
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(Phys.org) —A constant stream of space debris flows toward Earth from the rest of the solar system. Large meteors can sometimes survive the intense friction and heat upon entering Earth's atmosphere, but by and large the ...
Earth Sciences
Apr 4, 2013
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A couple years ago, researchers introduced a new material that they said could make any object invisible to both radar and the human eye. Invisibility cloaking would have a major impact on defense technology, they explained, ...
General Physics
Mar 5, 2013
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Magnetism and electricity are two of the fundamental forces of nature. Combining them in a single multiferroic material in which one controls the other is not only of basic interest, but also relevant for practical applications. ...
Condensed Matter
Feb 22, 2013
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All modern electronics are based on the fundamental concept of electrical charges moving through a circuit. There are, however, alternative schemes that promise faster and more efficient types of computing. An example is ...
Quantum Physics
Jan 25, 2013
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Researchers at the Advanced Science Institute at Wako, Japan, have discovered a material whose magnetic orientation can be fully switched by electric voltages. Such switchable materials have applications for magnetic data ...
General Physics
Jan 4, 2013
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(Phys.org)—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 ...
General Physics
Nov 5, 2012
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