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Energy from light and water: New photocatalytic method for the clean production of hydrogen from water
22 hours ago |
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(PhysOrg.com) -- Hydrogen-powered fuel cells and solar energy are the best hope for a more environmentally friendly and resource-sparing energy supply in the future. A combination of the two is considered to be particularly ...
Millimeter-scale, energy-harvesting sensor system developed
Feb 08, 2010 |
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(PhysOrg.com) -- A 9-cubic millimeter solar-powered sensor system developed at the University of Michigan is the smallest that can harvest energy from its surroundings to operate nearly perpetually.
New Canadian solar photovoltaic research network established
Feb 03, 2010 |
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A new research network to advance Canada's standing in the development of solar photovoltaics will be based at McMaster University.
Scientists grow solar cell components in tobacco plants
Nanotechnology / Bio & Medicine
Jan 29, 2010 |
4.5 / 5 (30) |
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(PhysOrg.com) -- Over billions of years, plants have evolved very efficient sunlight-collecting systems. Now, scientists are trying to harness the finely tuned systems in tobacco plants in order to use them ...
Smart grid could reduce emissions by 12 percent
Jan 29, 2010 |
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(PhysOrg.com) -- A smart electrical power grid could decrease annual electric energy use and utility sector carbon emissions at least 12 percent by 2030, according to a new report from the Department of Energy's ...
Optical refrigeration expected to enhance airborne and spaceborne applications
Jan 29, 2010 |
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Under an Air Force Office of Scientific Research, multi-university grant, a team led by University of New Mexico professor, Dr. Mansoor Sheik-Bahae created the first-ever all-solid-state cryocooler that can ...
Going For Exawatts: Building the most powerful laser in the world
Jan 25, 2010 |
4.6 / 5 (22) |
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Producing a laser with a power of a terawatt -- equal to one trillion watts -- used to be impressive, but now the forefront of optical research power is measured in 1 quadrillion-watt units known as petawatts. ...
Smart Windows: Energy Efficiency with a View
Jan 25, 2010 |
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(PhysOrg.com) -- Buildings consume 40 percent of our nation's energy. NREL is testing and researching electrochromic windows that could knock that back significantly.
How 'random' lasers work
Jan 24, 2010 |
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When University of Utah scientists discovered a new kind of laser that was generated by an electrically conducting plastic or polymer, no one could explain how it worked and some doubted it was real. Now, ...
New way to generate abundant functional blood vessel cells from human stem cells discovered
Jan 20, 2010 |
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In a significant step toward restoring healthy blood circulation to treat a variety of diseases, a team of scientists at Weill Cornell Medical College has developed a new technique and described a novel mechanism for turning ...
Optical Refrigeration: Researchers Achieve Milestone in Laser Cooling
Jan 19, 2010 |
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(PhysOrg.com) -- Researchers at the University of New Mexico have established a new low in temperature cooling through laser cooling of solids to cryogenic temperatures. Under an AFOSR, MURI grant, a team ...
New visible light photocatalyst kills bacteria, even after light turned off
Jan 19, 2010 |
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In the battle against bacteria, researchers at the University of Illinois have developed a powerful new weapon - an enhanced photocatalytic disinfection process that uses visible light to destroy harmful bacteria and viruses, ...
Easy-build wireless networks
Jan 18, 2010 |
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(PhysOrg.com) -- Networks that monitor life-threatening situations or improve environmental efficiencies will be easier and cheaper to develop and operate, following the creation of a single middleware solution ...
Security firm outlines how attack against Google was pulled off
Jan 17, 2010 |
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A Silicon Valley Internet security firm has described for the first time how hackers from China were able to crack Google's defenses, saying the attackers took advantage of a flaw in Microsoft's Web browser to probe deeply ...
NASA Technology to Enhance 'Green' Building's Efficiency
Jan 14, 2010 |
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(PhysOrg.com) -- NASA today announced that it is collaborating with Integrated Building Solutions (IBS), Inc. to develop a next-generation intelligent, automated, and integrated environmental monitoring and management capability ...
