Watching things disappear "is an amazing experience," admits Joachim Fischer of the Karlsruhe Institute of Technology in Germany. But making items vanish is not the reason he creates invisibility cloaks. Rather, the magic-like ...
General Physics
May 1, 2011
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Researchers at Northwestern University have created a new kind of cloaking material that can render objects invisible in the terahertz range.
Optics & Photonics
Apr 27, 2011
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Invisibility cloaks are seemingly futuristic devices capable of concealing very small objects by bending and channeling light around them. Until now, however, cloaking techniques have come with a significant limitation—they ...
Optics & Photonics
Apr 19, 2011
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In 1897, H.G. Wells created a fictional scientist who became invisible by changing his refractive index to that of air, so that his body could not absorb or reflect light. More recently, Harry Potter disappeared from sight ...
General Physics
Mar 4, 2011
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(PhysOrg.com) -- Physicists from the University of Birmingham, with colleagues at Imperial College, London, and Technical University of Denmark, have demonstrated an 'invisibility cloak' that can hide a three-dimensional ...
General Physics
Feb 1, 2011
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The idea of being able to become invisible, especially by simply covering up a person or an object with a special cloak, has a perennial appeal in science-fiction and fantasy literature. In recent years, researchers have ...
General Physics
Jan 25, 2011
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(PhysOrg.com) -- A new class of artificial materials called metamaterials -- which derive their properties from carefully engineered, nanostructured building blocks rather than from their chemical composition -- may one day ...
Condensed Matter
Jan 21, 2011
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In one University of Illinois lab, invisibility is a matter of now you hear it, now you don't.
General Physics
Jan 5, 2011
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(PhysOrg.com) -- The study, by researchers from Imperial College London, involves a new class of materials called metamaterials, which can be artificially engineered to distort light or sound waves. With conventional materials, ...
Optics & Photonics
Nov 16, 2010
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(PhysOrg.com) -- From Tolkien's ring of power in The Lord of the Rings to Star Trek's Romulans, who could make their warships disappear from view, from Harry Potter's magical cloak to the garment that makes players vanish ...
General Physics
Jul 21, 2010
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