Search results for radiation


7 Votes Vote

Record Radiation in South America

Posted by External 10 days ago General
http://www.enn.com — Astrobiologists from the United States and Germany recorded the highest known level of solar UV radiation to reach Earth's surface. This was around 10 years ago. On December 29, 2003, the UV Index (UVI) peaked, reaching the blistering number of 43.3 over the Andes Mountains in Bolivia. To put this in context, a bea Read More
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No ocean-borne radiation from Fukushima detected on West Coast shoreline, kelp analysis finds

Posted by External 71 days ago General
http://feeds.sciencedaily.com — Scientists working together on Kelp Watch 2014 announced today that the West Coast shoreline shows no signs of ocean-borne radiation from Japan's Fukushima nuclear power plant disaster, following their analysis of the first collection of kelp samples along the western U.S. coastline. Read More
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Chernobyl's birds adapting to ionizing radiation

Posted by External 89 days ago General
http://feeds.sciencedaily.com — Birds in the exclusion zone around Chernobyl are adapting to -- and may even be benefiting from -- long-term exposure to radiation, ecologists have found. The study is the first evidence that wild animals adapt to ionizing radiation, and the first to show that birds which produce most pheomelanin, a pigment in feathers, have greatest problems coping with radiation exposure. Read More
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Scientists develop silicon cells capable of absorbing infrared radiation from the sun

Posted by External 119 days ago General
http://feeds.sciencedaily.com — Researchers have developed a silicon photovoltaic cell capable of turning infrared radiation into electricity. The sun is an inexhaustible source of energy which well-exploited, could solve many of the energy suply problems we have today. The photovoltaic cell, commonly known as solar cell, is a device capable of turning solar light into electricity. However, there are many obstacles that prevent Read More
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Radiation damage at the root of Chernobyl's ecosystems

Posted by External 126 days ago General
http://feeds.sciencedaily.com — Radiological damage to microbes near the site of the Chernobyl disaster has slowed the decomposition of fallen leaves and other plant matter in the area, according to a new study. The resulting buildup of dry, loose detritus is a wildfire hazard that poses the threat of spreading radioactivity from the Chernobyl area. Read More
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Earth's radiation belt: Van Allen probes reveal zebra stripes in space

Posted by External 126 days ago General
http://feeds.sciencedaily.com — Scientists have discovered a new, persistent structure in one of two radiation belts surrounding Earth. NASA's twin Van Allen Probes spacecraft have shown that high-energy electrons in the inner radiation belt display a persistent pattern that resembles slanted zebra stripes. Surprisingly, this structure is produced by the slow rotation of Earth, previously considered incapable of affecting the m Read More
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Solar cells utilize thermal radiation

Posted by External 249 days ago General
http://feeds.sciencedaily.com — 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 for use in generating power. Read More
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Solar energy: Improved data mining tool for hourly solar radiation

Posted by External 256 days ago General
http://feeds.sciencedaily.com — Solar energy is free, clean, and usually available in abundance. However, solar radiation is also less predictable than many kinds of fossil fuel. Researchers have now developed a model that allows a more accurate prediction of hourly solar radiation. Read More
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