As more and more consumers use digital content services — such as social networking and videos — they're more willing to accept advertising if it means the services have no fee.
Internet
Nov 18, 2008
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(PhysOrg.com) -- When atoms in a crystal are struck by laser light, their electrons, excited by the light, typically begin moving back and forth together in a regular pattern, resembling nanoscale soldiers marching in a lockstep ...
General Physics
Nov 18, 2008
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(PhysOrg.com) -- Scientists at Penn State have shed light on some of the processes that regulate genes -- such as the processes that ensure that proteins are produced at the correct time, place, and amount in an organism ...
Nov 18, 2008
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(PhysOrg.com) -- A detailed analysis of black carbon -- the residue of burned organic matter -- in computer climate models suggests that those models may be overestimating global warming predictions.
Earth Sciences
Nov 18, 2008
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(PhysOrg.com) -- "One type of solar cell design starts with a chain of chromophores strung between two electrodes," explained Dewey Holten, Ph.D., professor of chemistry in Arts & Sciences. "This chain absorbs the light energy ...
Nov 18, 2008
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The National Nuclear Security Administration's (NNSA) Lawrence Livermore National Laboratory has teamed with 10 computing industry leaders to accelerate the development of powerful next-generation Linux clusters in a project ...
Computer Sciences
Nov 18, 2008
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Researchers at the University of Pittsburgh have developed a simple and quick method for detecting mercury in fish and dental samples, two substances at the center of public concern about mercury contamination. The technique ...
Nov 18, 2008
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A team of astronomers from Penn State and Nicolaus Copernicus University in Poland has discovered a new planet that is closely orbiting a red-giant star, HD 102272, which is much older than our own Sun. The planet has a ...
Astronomy
Nov 18, 2008
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A nontoxic nanoparticle developed by Penn State researchers is proving to be an all-around effective delivery system for both therapeutic drugs and the fluorescent dyes that can track their delivery.
Bio & Medicine
Nov 18, 2008
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A group of 10 prominent scientists says that the level of globe-warming carbon dioxide in the air has probably already reached a point where world climate will change disastrously unless the level can be reduced in coming ...
Environment
Nov 18, 2008
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