As wind farms grow in importance across the globe as sources of clean, renewable energy, one key consideration in their construction is their physical design—spacing and orienting individual turbines to maximize their efficiency ...
Energy & Green Tech
Apr 1, 2014
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Research in Germany has produced the first demonstration of harmonic mode-locking in a self-mode-locked VECSEL. Such devices have the potential to provide pulsed sources across the achievable spectral range of VECSELs, without ...
General Physics
Mar 31, 2014
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(Phys.org) —University of Leeds researchers have taken the lead in the race to build the world's most powerful terahertz laser chip.
General Physics
Feb 17, 2014
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(Phys.org) —With one stomp of his foot, Zhong Lin Wang illuminates a thousand LED bulbs – with no batteries or power cord. The current comes from essentially the same source as that tiny spark that jumps from a fingertip ...
Nanophysics
Dec 10, 2013
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Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a novel method for measuring laser power by reflecting the light off a mirrored scale, which behaves as a force detector.
General Physics
Oct 23, 2013
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Researchers modeling how changes in air flow patterns affect wind turbines' output power have found that the wind can supply energy from an unexpected direction: below.
General Physics
Oct 22, 2013
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Terahertz (THz) radiation—radiation in the wavelength range of 30 to 300 microns—is gaining attention due to its applications in security screening, medical and industrial imaging, agricultural inspection, astronomical ...
General Physics
Oct 9, 2013
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Since the first quantum cascade (QC) laser was demonstrated in 1994 and implemented in THz regime in 2002, they have become one of the most important solid state light sources in this frequency range. The metal-metal (MM) ...
Optics & Photonics
Oct 3, 2013
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From drug simulation to predicting tsunamis and sea vehicle tracking, high-performance computing has revolutionised the way companies and governments operate. Similarly, embedded computing has revolutionised the way we observe ...
Computer Sciences
Aug 14, 2013
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The first of six instruments that will fly on GOES-R, NOAA's next-generation of geostationary operational environmental satellites, has been completed on schedule, seven months before its scheduled installation onto the spacecraft.
Space Exploration
May 2, 2013
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