Researchers from the Universidad de Santiago de Chile and the University of Notre Dame, working with machine learning, have devised a method to identify organic compounds based on the refractive index at a single optical ...
Purdue University researchers found that by tailoring the film thickness of conducting nitrides and oxides, specifically plasmonic titanium nitride (TiN) and aluminum-doped zinc oxide (AZO), they can control the materials' ...
Optics & Photonics
Jan 26, 2023
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Though it sounds like something straight out of science fiction, controlling the speed of light has in fact been a long-standing challenge for physicists. In a study recently published in Communications Physics, researchers ...
General Physics
Dec 14, 2020
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Researchers at The University of Alabama designed and made a material that manipulates the speed of light in a new, more effective way than previous methods, according to findings recently published in Scientific Reports ...
Optics & Photonics
Oct 6, 2015
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Researchers from the FOM Institute AMOLF and the University of Pennsylvania have fabricated a material which gives visible light a nearly infinite wavelength. The new metamaterial is made by stacking silver and silicon nitride ...
Optics & Photonics
Oct 13, 2013
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(Phys.org) —Light traveling in a vacuum is the Universe's ultimate speed demon, racing along at approximately 300,000 kilometers per second. Now scientists have found an effective new way to put a speed bump in light's ...
Optics & Photonics
Aug 13, 2013
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1
Photovoltaic cell efficiency may soon get a big boost, thanks to next-generation antireflection coatings crafted from nanomaterials capable of cutting down on the amount of light reflected away from a cell's surface.
General Physics
Oct 26, 2012
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(PhysOrg.com) -- Scientists and amateur enthusiasts alike have long been fascinated by the abilities of some groups of animals to move in lockstep with one another, most specifically with schools of fish and flocks of birds. ...
Subaru Telescope has added another dimension of information about one of the most studied of all compact galaxy groups—Stephan's Quintet. Located within the borders of the constellation Pegasus, Stephan's Quintet consists ...
Astronomy
Oct 27, 2011
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(PhysOrg.com) -- The rule that nothing can travel faster than the speed of light, c, is one of the most fundamental laws of nature. But since this speed limit has only been experimentally demonstrated for information carried ...
