News tagged with solar radiation

Sun unleashes another X-class flare

The sun emitted its sixth significant flare since Oct. 23, 2013, peaking at 11:26 p.m. EST on Nov. 7, 2013. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere ...

dateNov 08, 2013 in Space Exploration
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Solar cells utilize thermal radiation

Thermal radiation from the sun is largely lost on most silicon solar cells. Up-converters transform the infrared radiation into usable light, however. Researchers have now for the first time successfully adapted this effect ...

dateNov 04, 2013 in Energy & Green Tech
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Sun emits fourth X-class flare in a week

The sun emitted a significant solar flare—its fourth X-class flare since Oct. 23, 2013—peaking at 5:54 p.m. on Oct. 29, 2013. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through ...

dateOct 30, 2013 in Space Exploration
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Natural deep-sea batteries

Exploring the deep oceans presents huge technical challenges, many of which could be overcome if there were some cheap and efficient way to deliver power to machines while at depth. To tackle this problem, a collaborative ...

dateOct 25, 2013 in Materials Science
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Twenty-two thousand trips around the planet

Four years after its launch, Swisscube, the small satellite developed by EPFL's Space Center, is still in operation. Some of the technological choices made and considered audacious at the time have yielded valuable lessons ...

dateOct 21, 2013 in Space Exploration
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A better way to calculate solar radiation

(Phys.org) —Research by Murdoch University, James Cook University and the University of Waterloo in Canada has revealed flaws in the way that the widely-used Ångström-Prescott equation links solar radiation to sunshine ...

dateOct 15, 2013 in Energy & Green Tech
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