Photovoltaic devices, which tap the power of the sun and convert it to electricity, offer a green—and potentially unlimited—alternative to fossil fuel use. So why haven't solar technologies been more widely adopted?
General Physics
Oct 22, 2013
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(Phys.org) —Sunlight absorbed by organic solar cells must first navigate a nanoscale gauntlet before becoming useable electricity. After hitting the light-absorbing material of the solar cell, called the photoactive layer, ...
Nanophysics
Sep 2, 2013
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A decade ago, gene expression seemed so straightforward: genes were either switched on or off. Not both. Then in 2006, a blockbuster finding reported that developmentally regulated genes in mouse embryonic stem cells can ...
Cell & Microbiology
Aug 11, 2013
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Researchers from the Icahn School of Medicine at Mount Sinai have discovered that a particular protein prevents normal cells from being reprogrammed into cells that resemble stem cells, providing new insight into how they ...
Cell & Microbiology
Mar 7, 2013
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A multi-university team has employed a high-powered laser to dramatically improve one of the tools scientists use to study the world at the atomic level. The team was able to use their amped-up electron paramagnetic resonance ...
General Physics
Sep 19, 2012
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A new genre of plastics that mimic the human skin's ability to heal scratches and cuts offers the promise of endowing cell phones, laptops, cars and other products with self-repairing surfaces, scientists reported today. ...
Materials Science
Mar 26, 2012
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Never get stranded with a dead cell phone again. A promising new technology called Power Felt, a thermoelectric device that converts body heat into an electrical current, soon could create enough juice to make another call ...
Nanophysics
Feb 22, 2012
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Developing solar energy that is low-cost, lightweight, and energy efficient has proven to be one of the greatest challenges the science world faces today. Although current plastic solar cells are low in cost and easy to produce, ...
Energy & Green Tech
Nov 22, 2011
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(PhysOrg.com) -- Two Lehigh physicists have developed an imaging technique that makes it possible to directly observe light-emitting excitons as they diffuse in a new material that is being explored for its extraordinary ...
General Physics
Aug 12, 2011
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(PhysOrg.com) -- Stem cells are the incomparably versatile progenitors of every cell in our body. Some maintain this remarkable plasticity throughout the life of an animal, prepared to respond as needed to repair an injury, ...
Cell & Microbiology
Jan 19, 2011
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