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Structure of plastic solar cells impedes their efficiency

A team of researchers from North Carolina State University and the U.K. has found that the low rate of energy conversion in all-polymer solar-cell technology is caused by the structure of the solar cells themselves. They hope that their findings will lead to the creation of more efficient solar cells.

Posted: Oct 5th, 2010

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Molecules are motifs in nanosymphony

Rice University composer Anthony Brandt has compressed an entire evening at the symphony into a six-minute opus - a 'nanosymphony' - as part of Rice University's Year of Nano celebration. The River Oaks Chamber Orchestra will premiere the piece Sunday at Rice's Buckyball Discovery Gala.

Posted: Oct 5th, 2010

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Advancements in Thermal Management 2010 showcases the future of thermal mitigation technologies

Advancements in Thermal Management 2010 is a technical symposium for design engineers and product developers looking to push the capabilities of their electronics designs. Being held on Oct. 19th, 2010 at the Gaylord Texan in Dallas, Texas, this event will feature presentations on the latest advancements in thermal management and thermal technology for electronics packaging and cooling, temperature sensing and control, thermal materials, systems design and management for optimizing thermal properties.

Posted: Oct 5th, 2010

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A nano-gyroscope tracking device that fits on the head of a pin

Optical gyroscopes, also known as rotation sensors, are widely used as a navigational tool in vehicles from ships to airplanes, measuring the rotation rates of a vehicle on three axes to evaluate its exact position and orientation. Prof. Koby Scheuer of Tel Aviv University's School of Physical Engineering is now scaling down this crucial sensing technology for use in smartphones, medical equipment and more futuristic technologies.

Posted: Oct 5th, 2010

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Fuel cells in operation: A closer look

Traditional x-ray photoelectron spectroscopy (XPS) works only in a vacuum, while fuel cells need gases under pressure to function. Now a team of scientists from the University of Maryland, the U.S. Department of Energy's Sandia National Laboratories, and DOE's Lawrence Berkeley National Laboratory has used a new kind of XPS, called ambient-pressure XPS (APXPS), to examine every feature of a working solid oxide electrochemical cell.

Posted: Oct 5th, 2010

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For future chips, smaller must also be better

Two teams of researchers from China and France report success in making and testing tiny high-frequency capacitors made from a complex manmade mineral: barium strontium titanate (BST). By introducing an ultrathin (1.2 nanometer) titanium oxide seed layer, the researchers made thin BST films that exhibited excellent microwave properties up to 40 GHz.

Posted: Oct 5th, 2010

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