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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(PhysOrg.com) -- Physicists Praveen Ashok, Bavishna Praveen, and K. Dholakia working together at the University of St Andrews in Scotland have developed a method for testing whiskey for authenticity using a crafted device ...
(PhysOrg.com) -- Nanomanufacturing technology has enabled scientists to create metamaterials -- stuff that never existed in nature -- with unusual optical properties. They could lead to "superlenses" able to image proteins, ...
Materials Science
Nov 2, 2011
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(PhysOrg.com) -- Research engineers at Yale University have succeeded in building a mechanical memory switch that is controlled and then read by lasers. In their paper published in Nature Nanotechnology, the team, led by ...
(PhysOrg.com) -- A research project at Microsoft Research Cambridge has brought forth a prototype called Holodesk, which lets you manipulate virtual objects with your hand. You literally "get your hands on" the virtual display. ...
A team of researchers from the Universitat Politecnica de Valencia's iTEAM in Spain has created the first, tunable broadband radio frequency (RF) photonic phase shifter. Because it is based on a single semiconductor element, ...
Optics & Photonics
Oct 4, 2011
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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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(PhysOrg.com) -- An undergraduate student has overcome a major hurdle in the development of invisibility cloaks by adding an optical device into their design that not only remains invisible itself, but also has the ability ...
General Physics
Aug 9, 2011
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(PhysOrg.com) -- In a paper published in the US journal Optical Materials Express this week, Macquarie University researchers show that even the earth's hardest naturally occurring material, the diamond, is not forever.
Condensed Matter
Jul 18, 2011
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Modern electronics as we know them, from televisions to computers, depend on conducting materials that can control electronic properties. As technology shrinks down to pocket sized communications devices and microchips that ...
Nanomaterials
Jul 15, 2011
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