Some solar devices, like calculators, only need a small panel of solar cells to function. But supplying enough power to meet all our daily needs would require enormous solar panels. And solar-powered energy collected by panels ...
General Physics
Nov 10, 2011
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A new type of active metamaterial that incorporates semiconductor devices into conventional metamaterial structures is demonstrating an ability to have power gain while retaining its negative refraction property, a first ...
Condensed Matter
Nov 9, 2011
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Dutch researchers at the University of Twente's MESA+ research institute, together with ASML, TNO (the Netherlands Organisation for Applied Scientific Research) and TU/e (Eindhoven University of Technology) have developed ...
Optics & Photonics
Nov 7, 2011
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Researchers from Cornell University in Ithaca, N.Y., have demonstrated for the first time that it's possible to cloak a singular event in time, creating what has been described as a "history editor." In a feat of Einstein-inspired ...
Optics & Photonics
Oct 12, 2011
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(PhysOrg.com) -- By taking advantage of the unique optical properties of nanoscale materials, researchers have designed a lens made of nanowires that can reconfigure its imaging properties without any electronic or mechanical ...
After a rain, the cupped leaf of a pitcher plant becomes a virtually frictionless surface. Sweet-smelling and elegant, the carnivore attracts ants, spiders, and even little frogs. One by one, they slide to their doom.
Nanomaterials
Sep 21, 2011
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An amorphous-seed mediated strategy has been developed in the Center for Nanoscale Materials Nanophotonics Group at the Argonne National Laboratory for creating bifunctional nanoparticles composed of silver and iron oxide ...
Nanomaterials
Aug 19, 2011
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Electrical engineers at Duke University have developed a material that allows them to manipulate light in much the same way that electronics manipulate flowing electrons.
General Physics
Aug 1, 2011
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In an advance that could open new avenues for solar cells, lasers, metamaterials and more, researchers at the University of Illinois have demonstrated the first optoelectronically active 3-D photonic crystal.
Materials Science
Jul 24, 2011
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Chemists have created a molecular polyhedron, a ground-breaking assembly that has the potential to impact a range of industrial and consumer products, including magnetic and optical materials.
Materials Science
Jul 21, 2011
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