It may sound like a sci-fi vision, but Japan's space agency is dead serious: by 2030 it wants to collect solar power in space and zap it down to Earth, using laser beams or microwaves.
Nov 08, 2009
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For the first time, researchers have produced a coherent, laser-like, directed beam of light that simultaneously streams ultraviolet light, X-rays, and all wavelengths in between.
Jun 07, 2012
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A team of University of California, San Diego researchers has built the smallest room-temperature nanolaser to date, as well as an even more startling device: a highly efficient, "thresholdless" laser that ...
Feb 08, 2012
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(PhysOrg.com) -- As we strive to find sources of alternative energy, a number of researchers continue to look to what we consider the ultimate in renewable energy -- the sun. However, on earth creating efficient ...
Oct 04, 2010
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It was an idea born out of curiosity in the physics lab, but now a new type of ‘laser’ for generating ultra-high frequency sound waves instead of light has taken a major step towards becoming a unique and highly useful ...
Jun 17, 2009
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New research published today seeks to push the discovery that light can be tied in knots to the next level.
Oct 29, 2012
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(PhysOrg.com) -- Construction of the National Ignition Facility (NIF), the world's largest and highest-energy laser system, was essentially completed on Feb. 26, when technicians at Lawrence Livermore National ...
Mar 09, 2009
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Scientists for decades have been hunting for ways to harness the enormous force of the sun and stars to supply energy here on Earth. The National Ignition Facility at the Lawrence Livermore Laboratory may spark the light ...
May 29, 2009
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Using a new ultrafast camera, researchers have recorded the first real-time image of two atoms vibrating in a molecule.
Mar 07, 2012
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In an advance that sounds almost Zen, researchers at the National Institute of Standards and Technology and JILA, a joint institute of NIST and the University of Colorado at Boulder, have demonstrated a new ...
Jun 09, 2010
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(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...
Dec 16, 2009
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A team of scientists and engineers at NASA's Jet Propulsion Laboratory has brought the world one step closer to "hearing" gravitational waves -- ripples in space and time predicted by Albert Einstein in the ...
Nov 24, 2010
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(Phys.org) -- Although pointing high-energy lasers at the sky to cause pouring rain is currently a high-tech dream, the motivation behind controlling the weather has existed since the days of our ancient ancestors. ...
Jul 16, 2012
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(PhysOrg.com) -- EADS Astrium, Europe's biggest space company, plans to put a solar power satellite in orbit to demonstrate the collection of solar power in space and its transmission via infrared laser to ...
Jan 21, 2010
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Engineering researchers at the University of Michigan have demonstrated a paradigm-shifting "polariton" laser that's fueled not by light, but by electricity.
May 15, 2013
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