(Phys.org)—A team of physicists working in Singapore has, for the first time, demonstrated the cooling of a semiconductor using a laser. To achieve this feat, the team, as they describe in their paper published ...
Jan 28, 2013
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Heavy ion collisions at CERN should be able to produce the shortest light pulses ever created. This was demonstrated by computer simulations at the Vienna University of Technology. The pulses are so short ...
Nov 12, 2012
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(Phys.org) —Low-energy terahertz radiation could potentially enable doctors to see deep into tissues without the damaging effects of X-rays, or allow security guards to identify chemicals in a package without ...
Mar 27, 2013
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(Phys.org) —New research from Western University challenges long-held beliefs regarding the demise of Sir John Franklin's ill-fated Northwest Passage expedition that departed from England in 1845.
Apr 09, 2013
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At the Photonics West, the leading international fair for photonics taking place in San Francisco this week, Nanoscribe GmbH, a spin-off of Karlsruhe Institute of Technology (KIT), presents the world's fastest ...
Feb 08, 2013
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The fact that an ultrashort laser pulse is capable of demagnetizing a ferromagnetic layer in a jiffy has been well-known since approximately 1996. What we don't yet understand, however, is how exactly this demagnetization ...
Jan 27, 2013
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(Phys.org)—Research by scientists at the University of Bath is challenging claims that nanoparticles in medicated and cosmetic creams are able to transport and deliver active ingredients deep inside the ...
Oct 01, 2012
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Society's increasing technology use and data consumption is causing an information bottleneck, congesting airwave frequencies and sending engineers searching for access to higher capacity bandwidths.
Feb 19, 2013
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Researchers have discovered a new way of emitting photons one at a time. They have constructed semiconductor nanowires with "quantum dots" of unprecedented quality - a discovery with implications for the ...
Feb 20, 2013
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(Phys.org) —Researchers working at Japan's NTT Basic Research Laboratories have successfully built an all mechanical phonon laser. In their paper published in Physical Review Letters, the team describes how th ...
Mar 19, 2013
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(Phys.org)—As part of the first demonstration of laser communication with a satellite at the moon, scientists with NASA's Lunar Reconnaissance Orbiter (LRO) beamed an image of the Mona Lisa to the spacecraft ...
Jan 17, 2013
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(Phys.org) —Researchers from North Carolina State University have come up with a low-cost way to enhance a polymer called MEH-PPV's ability to confine light, advancing efforts to use the material to convert electricity ...
Mar 18, 2013
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Raman spectroscopy has enabled incredible advances in numerous scientific fields and is a powerful tool for tissue classification and disease recognition, although there have been considerable challenges to using the method ...
Feb 19, 2013
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Superconductors are materials which conduct electric currents without any resistance. At the Helmholtz-Zentrum Dresden-Rossendorf, an international research team headed by Professor Andrea Cavalleri from ...
Apr 03, 2013
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(Phys.org)—The way electrons move within and between molecules, transferring energy as they go, plays an important role in many chemical and biological processes, such as the conversion of sunlight to energy ...
Jan 31, 2013
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