News tagged with metamaterials
Related topics: solar cells , light
Novel negative-index metamaterial that responds to visible light designed
A group of scientists led by researchers from the California Institute of Technology has engineered a type of artificial optical material—a metamaterial—with a particular three-dimensional structure such that ...
Apr 22, 2010 |
4.8 / 5 (43) |
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Invisibility cloak that generates virtual images gets closer to realization
(PhysOrg.com) -- In a twist on the concept of an invisibility cloak, researchers have designed a material that not only makes an object invisible, but also generates one or more virtual images in its place. ...
Apr 02, 2010 |
4.5 / 5 (31) |
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Next generation lens promises more control
(PhysOrg.com) -- Duke University engineers have created a new generation of lens that could greatly improve the capabilities of telecommunications or radar systems to provide a wide field of view and greater ...
Dec 20, 2009 |
4.8 / 5 (24) |
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Metamaterials could reduce friction in nanomachines
(PhysOrg.com) -- Nanoscale machines expected to have wide application in industry, energy, medicine and other fields may someday operate far more efficiently thanks to important theoretical discoveries concerning the manipulation ...
Nanotechnology / Nanomaterials
Dec 07, 2009 |
4.3 / 5 (6) |
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Invisibility visualized: German team unveils new software for rendering cloaked objects
(PhysOrg.com) -- Scientists and curiosity seekers who want to know what a partially or completely cloaked object would look like in real life can now get their wish -- virtually. A team of researchers at the ...
Nov 13, 2009 |
4 / 5 (5) |
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Running electronics using light
(PhysOrg.com) -- "If you open up almost any electronic gadget, you will see various elements that operating using electric circuitries," Nader Engheta tells PhysOrg.com. "Many of them have different functi ...
Oct 19, 2009 |
4.3 / 5 (20) |
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'Metamaterials' used to look at effects of black holes, other celestial objects
(PhysOrg.com) -- Dr. Dentcho Genov, an assistant professor of physics and electrical engineering at Louisiana Tech University and a Louisiana Optical Network Initiative (LONI) Institute fellow, is featured ...
Sep 10, 2009 |
3.1 / 5 (9) |
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The guiding of light: A new metamaterial device steers beams along complex pathways
Using a composite metamaterial to deliver a complex set of instructions to a beam of light, Boston College physicists have created a device to guide electromagnetic waves around objects such as the corner ...
Jul 31, 2009 |
4.5 / 5 (18) |
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Testing relativity in the lab
Even Albert Einstein might have been impressed. His theory of general relativity, which describes how the gravity of a massive object, such as a star, can curve space and time, has been successfully used to ...
Jul 20, 2009 |
4.7 / 5 (14) |
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Transform a ball into a rock -- or make it invisible -- using transformation optics
(PhysOrg.com) -- Science fiction and fantasy tales are full of the ability to "cloak" characters with invisibility. Whether it is a spaceship with a cloaking device, or a young wizard with an invisibility ...
Jul 09, 2009 |
3.2 / 5 (13) |
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Spanish scientists bring us closer to making the dream of invisibility true
A group of researchers from the Department of Physics at UAB (Universitat Autonoma de Barcelona, Spain) have designed a device, called a dc metamaterial, which makes objects invisible under certain light - ...
Jul 07, 2009 |
4.2 / 5 (6) |
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New 'broadband' cloaking technology simple to manufacture
(PhysOrg.com) -- Researchers have created a new type of invisibility cloak that is simpler than previous designs and works for all colors of the visible spectrum, making it possible to cloak larger objects ...
May 20, 2009 |
4.9 / 5 (26) |
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Scientists Create Light-Bending Nanoparticles
(PhysOrg.com) -- Metallic nanoparticles and other structures can manipulate light in ways that are not possible with conventional optical materials. In a recent example of this, Rice University researchers ...
Nanotechnology / Nanomaterials
Mar 03, 2009 |
4.3 / 5 (21) |
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Team develops new metamaterial device
An engineered metamaterial proved it can function as a state-of-the-art device in the complex terahertz range of the electromagnetic spectrum, setting a standard of performance for modulating tiny waves of radiation, according ...
Feb 24, 2009 |
4.7 / 5 (6) |
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