Waves do not spread in a disordered medium if there is less than one wavelength between two defects. Physicists from the universities of Zurich and Constance have now proved Nobel Prize winner Philip W. Anderson's ...
Dec 20, 2012
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(Phys.org)—Researchers at the Niels Bohr Institute have demonstrated that photons (light particles) emitted from light sources embedded in a complex and disordered structure are able to mutually coordinate ...
Dec 20, 2012
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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.
Sep 02, 2011
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Light does not travel at the same speed in all directions under the effect of an electromagnetic field. Although predicted by theory, this counter-intuitive effect has for the first time been demonstrated ...
May 13, 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.
Apr 27, 2011
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(PhysOrg.com) -- When light passes through materials that we consider opaque, such as paint, biological tissue, fabric and paper, it is scattered in such a complex way that an image does not come through. ...
Mar 18, 2010
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Light readily bounces off obstacles in its path. Some of these reflections are captured by our eyes, thus participating in the visual perception of the objects around us. In contrast to this usual behavior ...
Oct 08, 2009
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