Researcher's 3-D Digital Storage System could hold a library on 1 disc
Dec 04, 2006 |
4.2 / 5 (43) |
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Imagine taking the entire collection of historical documents at the Smithsonian National Air and Space Museum and storing it on a single DVD. University of Central Florida Chemistry Professor Kevin D. Belfield and his team ...
Water acts as a 'light switch' on photonic circuits
Dec 04, 2006 |
4.4 / 5 (40) |
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Using water to “write” light, scientists have designed a photonic circuit inside a photonic crystal that combines several optical elements. As the optical equivalent of an electronic circuit, this design marks ...
No 'smoking' gun -- Research indicates teen marijuana use does not predict drug, alcohol abuse
Dec 04, 2006 |
4 / 5 (40) |
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Marijuana is not a "gateway" drug that predicts or eventually leads to substance abuse, suggests a 12-year University of Pittsburgh study. The study, which found that young men who chose to initiate their drug use with marijuana ...
Invention could solve 'bottleneck' in developing pollution-free cars
Dec 04, 2006 |
4.4 / 5 (36) |
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Hydrogen-powered cars that do not pollute the environment are a step closer thanks to a new discovery which promises to solve the main problem holding back the technology. Whilst hydrogen is thought to be an ideal fuel for ...
How to feed a black hole
Dec 04, 2006 |
4.4 / 5 (29) |
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A special magnetic effect, the so-called magnetorotational instability (MRI), plays a key role in the formation of stars and planetary systems. It is also what feeds the black holes in the center of galaxies. For the first ...
Jackson Pollock's art and fractal analysis
Dec 04, 2006 |
3.8 / 5 (32) |
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Can mathematics explain the art of Jackson Pollock? Can it be used to authenticate paintings of uncertain provenance? Case Western Reserve University physicists address these questions in the current issue of Nature. ...
Switchgrass research aims to create ethanol to power vehicles for $1 per gallon
Biology /
Dec 04, 2006 |
4.5 / 5 (26) |
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In his 2006 State of the Union address, President Bush acknowledged the potential for switchgrass as a source of ethanol to reduce the nation’s reliance on foreign oil. Unlike corn, which is currently used ...
Unprecedented efficiency in producing hydrogen from water
Dec 04, 2006 |
4.2 / 5 (26) |
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Scientists are reporting a major advance in technology for water photooxidation �using sunlight to produce clean-burning hydrogen fuel from ordinary water. Michael Gratzel and colleagues in Switzerland note that nature ...
Researchers discover hydrogen can form multicenter bonds
Dec 04, 2006 |
4.2 / 5 (25) |
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Researchers at the University of California, Santa Barbara have shown that, under the right circumstances, hydrogen can form multicenter bonds, where one hydrogen atom simultaneously bonds to as many as four or six other ...
Men's testosterone levels predict competitiveness
Dec 04, 2006 |
4.2 / 5 (21) |
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After a man loses a challenge, whether or not he is willing to get back into the game depends on changes in his testosterone levels, according to new research at The University of Texas at Austin.
Gendered division of labor gave modern humans advantage over Neanderthals
Other Sciences / Archaeology & Fossils
Dec 04, 2006 |
3.6 / 5 (22) |
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Diversified social roles for men, women, and children may have given Homo sapiens an advantage over Neanderthals, says a new study in the December 2006 issue of Current Anthropology. The study argues that division of eco ...
The message in advertising is irrelevant, new research shows
Dec 04, 2006 |
3.9 / 5 (15) |
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Creativity and emotion are what makes advertising successful, not the message it is trying to get over, new research shows. Dr Robert Heath, from the University of Bath’s School of Management, found that advertisements with ...
Catching the wave -- Researchers measure very short laser pulses
Dec 04, 2006 |
4.5 / 5 (12) |
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Scientists have perfected a technique for very accurately measuring and controlling the electromagnetic waves within some of the shortest laser pulses ever made, says new research published today. Being able ...
Terahertz-controlling device is built
Dec 04, 2006 |
4.3 / 5 (12) |
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U.S. government scientists say they've built a device that can manipulate terahertz radiation, perhaps leading to new imaging and communications devices.
How to herd atoms
Dec 04, 2006 |
4.5 / 5 (11) |
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It has long been known that it is possible to confine electrons or atoms in atomic structures in the same way as sheep can be shut in a pen. Physicists at the Max Planck Institute for Microstructure Physics ...
