(Phys.org)—Photosynthesis, cellular respiration and many other biological processes have something in common: long-range electron transfer (ET), the simplest known chemical reaction that is known to occur ...
Nov 13, 2012
5 / 5 (2)
1
(Phys.org)—While hypothesized dark energy can explain observations of the universe expanding at an accelerating rate, the specific properties of dark energy are still an enigma. Scientists think that dark energy could take ...
Nov 12, 2012
4.5 / 5 (19)
50
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(Phys.org)—At its heart, photovoltaics research is about finding materials with specific properties that make them good at absorbing sunlight and converting it into electricity. The best photovoltaics materials ...
Nov 02, 2012
5 / 5 (13)
1
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(Phys.org)—While much is known about the limiting effect of neural noise on the fidelity of sensory coding representation, knowledge about the impact of noise in short-term memory and integrator networks ...
Oct 31, 2012
5 / 5 (4)
1
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In order to build a quantum internet – a network that is faster and more secure than the current internet – the key is the ability to transmit quantum information between remote quantum computers (i.e., ...
Oct 29, 2012
4.8 / 5 (13)
17
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(Phys.org)—In order to meet increasing energy demands, power companies have the option of adding new power lines to the existing grid. But in a new study, researchers have found that, contrary to common ...
Oct 23, 2012
4.5 / 5 (14)
4
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(Phys.org)—A small, translucent sea slug called Clione antarctica swims through the cold waters near the polar regions by flapping its wings. At the same time, tiny cilia that circle the sea slug's body i ...
Oct 22, 2012
4.8 / 5 (12)
2
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(Phys.org)—The Tree of Life is a beautiful and elegant metaphor that has proven deceptively difficult to reconstruct. The main culprit may be the overwhelming reliance on so-called concatenation methods, which ...
Oct 15, 2012
4.3 / 5 (6)
5
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(Phys.org)—Although quantum theory can explain three of the four forces in nature, scientists currently rely on general relativity to explain the fourth force, gravity. However, no one is quite sure of ...
Oct 15, 2012
4.7 / 5 (34)
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(Phys.org)—While most of today's electric vehicles rely on batteries to store energy, supercapacitors have enjoyed significant improvements that have made them serious competitors to batteries. Batteries ...
Oct 12, 2012
4.4 / 5 (17)
0
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(Phys.org)—It may sound counterintuitive that replacing one of the most photosensitive solar cell materials with a material with less desirable photosensitive properties can improve the solar cell's efficiency, ...
Oct 11, 2012
5 / 5 (19)
10
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(Phys.org)—As electrical pulses travel through the body's nervous system, they are passed from neuron to neuron by synapses. A synapse, which consists of a gap junction and the cell membranes of the transmitting and receiving ...
Oct 04, 2012
4.8 / 5 (21)
19
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(Phys.org)—In an attempt to solve some of the observational puzzles in physics, theorists have proposed a number of new physics models. Several of these models suggest the existence of extremely weakly ...
Oct 03, 2012
4.6 / 5 (33)
21
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(Phys.org)—Theoretically, the laws of quantum mechanics – particularly the "no-cloning theorem" – guarantee that any attempt at counterfeiting a credit card, bill, coin, token, etc., will fail if the ...
Oct 03, 2012
4.7 / 5 (6)
11
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(Phys.org)—We live in a world of extremes, where being fervently for or against an issue often becomes the dominant social ideology – until an opposing belief that is equally extreme emerges to challenge ...
Oct 02, 2012
4.1 / 5 (30)
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