One of the major challenges in the world today is the energy crisis. The high demand and low supply of fossil fuel are driving up oil and food prices. Silicon-based solar cells are one of the most promising technologies for ...
Nanomaterials
May 30, 2011
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Efficiency is a problem with today's solar panels; they only collect about 20 percent of available light. Now, a University of Missouri engineer has developed a flexible solar sheet that captures more than 90 percent of available ...
Energy & Green Tech
May 16, 2011
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Bouncing around from cloud to cloud, and down to Earth, sunlight's warmth is both enhanced and blocked by clouds. Atmospheric scientists from Pacific Northwest National Laboratory found that clouds' overall effect on the ...
Earth Sciences
May 9, 2011
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The British government has urged people to avoid taking outdoor exercise in the afternoon over the Easter weekend because of the first "summer smog" of the year.
Environment
Apr 22, 2011
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The exploitation and utilization of new energy sources are considered to be among today's major challenges. Solar energy plays a central role, and its direct conversion into chemical energy, for example hydrogen generation ...
Condensed Matter
Apr 14, 2011
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The direct conversion of sunlight into electricity using photovoltaics is becoming an increasingly important technology for renewable energy generation as a replacement for fossil fuels, with applications from large-scale ...
Nanomaterials
Apr 14, 2011
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Mysterious "night shining" or noctilucent clouds are beautiful to behold, and are usually seen during the summertime, appearing at sunset. They are thin, wavy ice clouds that form at very high altitudes and reflect sunlight ...
Earth Sciences
Feb 10, 2011
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Researchers have developed a reactor that can rapidly produce fuel from sunlight, using carbon dioxide and water, plus a compound called ceric oxide.
Materials Science
Jan 12, 2011
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High energy costs are one drawback of making clean water from waste effluents. According to an article in the journal Biomicrofluidics, which is published by the American Institute of Physics, a new system that combines two ...
Soft Matter
Jan 11, 2011
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Photosynthesis is the process used by plants to convert atmospheric carbon dioxide into the energy-rich chemicals upon which all life-forms depend. The energy trapped in these compounds comes from sunlight, and photosynthetic ...
Cell & Microbiology
Oct 7, 2010
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