Experimental 'wind to hydrogen' system up and running
Jan 08, 2007 |
4.5 / 5 (55) |
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Xcel Energy and the U.S. Department of Energy’s National Renewable Energy Laboratory today unveiled a unique facility that uses electricity from wind turbines to produce and store pure hydrogen, offering what may become an ...
Eavesdropping on the Universe
Jan 08, 2007 |
4.3 / 5 (42) |
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Astronomers have proposed an improved method of searching for intelligent extraterrestrial life using instruments like one now under construction in Australia. The Low Frequency Demonstrator (LFD) of the Mileura ...
Superstrings could add gravitational cacophony to universe's chorus
Jan 08, 2007 |
3.8 / 5 (36) |
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Albert Einstein theorized long ago that moving matter would warp the fabric of four-dimensional space-time, sending out ripples of gravity called gravitational waves. No one has observed such a phenomenon so ...
Precision measurement of W-boson mass suggests a lighter Higgs particle
Jan 08, 2007 |
4.3 / 5 (24) |
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Scientists of the CDF collaboration at the Department of Energy's Fermi National Accelerator Laboratory announced today the world's most precise measurement by a single experiment of the mass of the W boson, ...
Finding Memory in Nonlinear Ionization
Jan 08, 2007 |
3.9 / 5 (23) |
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David Rayner and his colleagues at the National Research Council (NRC) of Canada in Ottawa have shown that when transparent solids, such as glass, are ionized with short intense laser pulses the material is subtly changed.
Ethanol analysis confirms benefits of biofuels
Jan 08, 2007 |
4.6 / 5 (16) |
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Controversy over the benefits of using corn-based ethanol in vehicles has been fueled by studies showing that converting corn into ethanol may use more fossil energy than the energy contained in the ethanol produced. Now ...
Hybrid Structures Combine Strengths of Carbon Nanotubes and Nanowires
Jan 08, 2007 |
4.1 / 5 (16) |
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A team of researchers at Rensselaer Polytechnic Institute has created hybrid structures that combine the best properties of carbon nanotubes and metal nanowires. The new structures, which are described in a ...
Physicists transmit visible light through miniature cable
Jan 08, 2007 |
4.5 / 5 (14) |
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Physicists at Boston College have beamed visible light through a cable hundreds of times smaller than a human hair, an achievement they anticipate will lead to advances in solar power and optical computing.
Homing nanoparticles pack multiple assault on tumors
Nanotechnology / Bio & Medicine
Jan 08, 2007 |
4.2 / 5 (14) |
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A collaborative team led by Erkki Ruoslahti, M.D., Ph.D., of the Burnham Institute for Medical Research at UC Santa Barbara (Burnham) has developed nanoparticles that seek out tumors and bind to their blood vessels, and then ...
Astronomers discover an enormous halo of red giant stars around Andromeda
Jan 08, 2007 |
4.2 / 5 (13) |
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Astronomers have found an enormous halo of stars bound to the Andromeda galaxy and extending far beyond the swirling disk seen in images of the famous galaxy, our nearest large galactic neighbor. The discovery, reported at ...
Trusting your instincts leads you to the right answer
Medicine & Health / Psychology & Psychiatry
Jan 08, 2007 |
4.3 / 5 (12) |
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A UCL (University College London) study has found that you are more likely to perform well if you do not think too hard and instead trust your instincts. The research, published online today in the journal Current Biology, shows ...
Hubble Observations Provide Insight into Planet Birth
Jan 08, 2007 |
4.4 / 5 (9) |
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Hubble observed a "blizzard" of particles in a disk around a young star, revealing the process by which planets grow from tiny dust grains. The particles are as fluffy as snowflakes and are roughly ten times ...
Astronomers find triple interactions of supermassive black holes to be common in early universe
Jan 08, 2007 |
4.2 / 5 (9) |
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New cosmological computer simulations produced by a team of astronomers from Northwestern University, Harvard University and the University of Michigan show for the first time that supermassive black holes (SMBHs), which ...
Astronomers Map a Hypergiant Star's Massive Outbursts
Jan 08, 2007 |
4.6 / 5 (8) |
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Using NASA's Hubble Space Telescope and the W.M. Keck Observatory, Kameula, Hawaii, astronomers have learned that the gaseous outflow from one of the brightest super-sized stars in the sky is more complex than ...
New Study Sheds Light On 'Dark States' In DNA
Jan 08, 2007 |
4.5 / 5 (8) |
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Chemists at Ohio State University have probed an unusual high-energy state produced in single nucleotides -- the building blocks of DNA and RNA -- when they absorb ultraviolet (UV) light.
