A cost analysis of the technologies needed to transport materials into the stratosphere to reduce the amount of sunlight hitting Earth and therefore reduce the effects of global climate change has shown that they are both ...
Earth Sciences
Aug 31, 2012
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In December 1972 the astronauts of Apollo 17-the last manned mission to the moon-deployed the Lunar Atmospheric Composition Experiment (LACE), a spectrometer designed to measure and characterize the thin lunar atmosphere. ...
Space Exploration
Jul 18, 2012
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On 5 July Jan Willem Wiegman graduated from TU Delft with his research into power-generating windows. The Applied Physics Master’s student calculated how much electricity can be generated using so-called luminescent ...
Energy & Green Tech
Jul 9, 2012
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(Phys.org) -- A recently published study confirms that solar thermal power is largely unrestricted by materials availability. There are, however, some issues that the industry needs to look into soon, like replacing silver ...
Energy & Green Tech
Jul 4, 2012
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(Phys.org) -- At a 20-megawatt concentrating solar power (CSP) plant, some 10,000 mirrors reflect sunlight onto 10,000 receiver tubes, each of which must operate efficiently to get the maximum impact from the sun.
Energy & Green Tech
Jun 28, 2012
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Power from renewable energy sources is getting cheaper every year, according to a study released Wednesday, challenging long-standing myths that clean energy technology is too expensive to adopt.
Energy & Green Tech
Jun 6, 2012
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The French energy group Areva said Wednesday that it would build the biggest concentrated solar power installation in Asia for Reliance Power of India.
Energy & Green Tech
Apr 12, 2012
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(PhysOrg.com) -- It's 4:45 on a sweltering August afternoon, and the rooftop solar panels are starting to lose juice. The sun's lower angles and that huge cottonwood tree are interfering with the efficient photon-to-electricity ...
Energy & Green Tech
Feb 15, 2012
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A team of researchers at the University of California, Merced, has redesigned luminescent solar concentrators to be more efficient at sending sunlight to solar cells.
Optics & Photonics
Jan 23, 2012
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The hypothesis that the Earth was completely covered in ice 635 million years ago has received a serious blow. The atmospheric concentration of CO2 during that period was much lower than previously thought, according to a ...
Earth Sciences
Oct 12, 2011
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