Solar cells convert three-quarters of the energy contained in the Sun's spectrum into electricity – yet the infrared spectrum is entirely lost in standard solar cells. In contrast, black silicon solar cells ...
Oct 01, 2012
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Galaxies in the early universe grew fast by rapidly making new stars. Such prodigious star formation episodes, characterized by the intense radiation of the newborn stars, were often accompanied by fireworks ...
Sep 28, 2012
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(Phys.org)—Scientists with a common goal, to figure out an alternative to the lithium ion battery, the main power source of choice, are not giving up. The quarrel is not with the lithium ion battery's performance ...
Sep 28, 2012
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(Phys.org)—According to Einstein, whenever massive objects interact, they produce gravitational waves—distortions in the very fabric of space and time—that ripple outward across the universe at the ...
Sep 27, 2012
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(Phys.org)—The point of no return: In astronomy, it's known as a black hole—a region in space where the pull of gravity is so strong that nothing, not even light, can escape. Black holes that can be billions ...
Sep 27, 2012
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Google's managing director for Spanish-speaking Latin America says the Internet has become the "focus group for the world" and the smart advertiser uses it to anticipate consumer behavior rather than just to tout products.
Sep 26, 2012
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(Phys.org)—A global team of scientists, including a University of Mississippi physicist, has determined the best constraint on the mass of photons so far, using observations of super-massive black holes.
Sep 25, 2012
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The tropical cyclones in the Arabian Sea during the pre-monsoon season (May – June) have intensified since 1997 compared to 1979 - 1997. This has been attributed to decreased vertical wind shear due to ...
Sep 24, 2012
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(Phys.org)—Researchers from Cardiff University have discovered a new property of black holes: their dying tones could reveal the cosmic crash that produced them.
Sep 17, 2012
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Glaciers in the eastern and central regions of the Himalayas appear to be retreating at accelerating rates, similar to those in other areas of the world, while glaciers in the western Himalayas are more stable and could be ...
Sep 12, 2012
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(Phys.org)—At first glance, the center of the Milky Way seems like a very inhospitable place to try to form a planet. Stars crowd each other as they whiz through space like cars on a rush-hour freeway. ...
Sep 11, 2012
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A research team of the Department of Physics, Keio University, has discovered a molecular cloud with a peculiar helical structure by observation with the NRO 45m Telescope at Nobeyama Radio Observatory, National ...
Sep 10, 2012
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Each time Sharon DeWitte takes a 3-foot by 1-foot archival box off the shelf at the Museum of London she hopes it will be heavy.
Sep 06, 2012
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