(PhysOrg.com) -- Monochromatic light-emitting diodes cover a large part of the visible spectrum with high effi-ciency. For blue light, nitride diodes achieve external quantum efficiencies in excess of 65%, i. e., one photon ...
Condensed Matter
Jul 23, 2009
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(PhysOrg.com) -- Separating carbon dioxide from its polluting source, such as the flue gas from a coal-fired power plant, may soon become cleaner and more efficient.
Other
Jul 22, 2009
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Fast and affordable genome sequencing has moved a step closer with a new solid-state nanopore sensor being developed by researchers at the University of Illinois.
Nanomaterials
Jun 2, 2009
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(PhysOrg.com) -- Packing more digital images, music, and other data onto silicon chips in USB drives and smart phones is like squeezing more strawberries into the same size supermarket carton. The denser you pack, the quicker ...
Nanomaterials
May 20, 2009
17
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(PhysOrg.com) -- Two of the most sophisticated astronomical spacecraft ever built - Herschel and Planck - will be launched by ESA this month towards deep space orbits around a special observation point beyond the Moon’s ...
Space Exploration
May 7, 2009
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The New Economic (In)Security of Seniors, issued today by the Institute on Assets and Social Policy (IASP) at Brandeis University finds that Massachusetts seniors face widespread financial insecurity. Almost 7 in 10 senior ...
Social Sciences
Mar 27, 2009
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In contrast to women, men are fertile throughout life, but research at the Sahlgrenska Academy, University of Gothenburg, Sweden, has now shown that a fertilising sperm can get help from the egg to rejuvenate. The result ...
Cell & Microbiology
Mar 25, 2009
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Samsung Electronics today unveiled two new 12 mega-pixel compact digital cameras boasting 24mm ultra-wide angle Schneider lenses. Samsung’s new TL320 raises the bar for innovation in the digital imaging industry as it is ...
Consumer & Gadgets
Feb 24, 2009
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Proteins are widely viewed as a promising alternative to synthetic chemicals in everything from medications to hand lotion. The naturally occurring molecules have been shown to be more efficient and effective than many of ...
Biochemistry
Feb 23, 2009
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A car that can brake itself to avoid a fender-bender during the morning commute might seem far into the future. Except it goes on sale in March. That's when City Safety, a low-speed collision-avoidance technology becomes ...
Hi Tech & Innovation
Jan 28, 2009
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