(Phys.org) —Devices that harvest energy from the environment require specific environmental conditions; for instance, solar cells and piezoelectric generators require sunlight and mechanical vibration, ...
Apr 17, 2013
4.2 / 5 (19)
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(Phys.org)—Although scientists know that when silicon mixes with water, hydrogen is produced through oxidation, no one expected how quickly silicon nanoparticles might perform this task. As a new study ...
Jan 24, 2013
4.5 / 5 (26)
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(PhysOrg.com) -- Until a few years ago, photosynthesis seemed to be a straightforward and well-understood process in which plants and other organisms use sunlight to convert carbon dioxide and water into sugars, ...
Jan 25, 2012
4.9 / 5 (13)
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Hydrogen is an attractive fuel source because it can easily be converted into electric energy and gives off no greenhouse emissions. A group of chemists at the University of Rochester is adding to its appeal ...
Nov 08, 2012
4.5 / 5 (8)
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Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.
Apr 27, 2012
4.8 / 5 (16)
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University of Oregon chemists have developed a boron-nitrogen-based liquid-phase storage material for hydrogen that works safely at room temperature and is both air- and moisture-stable -- an accomplishment ...
Nov 22, 2011
4.4 / 5 (14)
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Many kinds of algae and cyanobacteria, common water-dwelling microorganisms, are capable of using energy from sunlight to split water molecules and release hydrogen, which holds promise as a clean and carbon-free ...
May 24, 2011
4.3 / 5 (10)
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(PhysOrg.com) -- This flow chart of the estimated US energy use in 2009, assembled by the Lawrence Livermore National Laboratory (LLNL), paints a pretty sobering picture of our energy situation. To begin with, ...
Apr 09, 2011
3.5 / 5 (29)
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Physicists at Rutgers University have discovered new properties in a material that could result in efficient and inexpensive plastic solar cells for pollution-free electricity production.
Oct 10, 2010
4.7 / 5 (20)
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(PhysOrg.com) -- Matt Scullin co-founded Alphabet Energy just one year ago, but already the CEO has ambitions of turning the San Francisco-based start-up company into the "Intel of waste heat." By harnessing ...
Sep 02, 2010
4.8 / 5 (14)
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Imagine your delight while enjoying your favorite Mexican food - perhaps a fully loaded bean burrito topped with an ample supply of thinly sliced jalepeno peppers. What happens when you bite into a few more peppers than you ...
Apr 27, 2010
4.6 / 5 (5)
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In an electrifying first, Stanford scientists have plugged in to algae cells and harnessed a tiny electric current. They found it at the very source of energy production - photosynthesis, a plant's method of converting sunlight ...
Apr 13, 2010
4.8 / 5 (15)
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(PhysOrg.com) -- With one bottle of drinking water and four hours of sunlight, MIT chemist Dan Nocera claims that he can produce 30 KWh of electricity, which is enough to power an entire household in the developing ...
Mar 05, 2010
4.3 / 5 (62)
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A dramatic drop in the price of solar power technology last year helped the continued growth of renewable energy, according to a U.N.-backed report published Wednesday.
Jun 12, 2013
4.6 / 5 (14)
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Giant turbines churning in the wind are a rare sight in Africa—but that will not be the case for long. Until now the meagre amounts of investment in African wind energy have predominantly come from governments ...
May 26, 2013
3.4 / 5 (5)
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