New rechargeable zinc-air batteries coming soon
Oct 29, 2009 |
4.4 / 5 (45) |
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(PhysOrg.com) -- A new breed of rechargeable zinc-air batteries is soon to be available, and may replace lithium-ion batteries in cell phones, laptops and other consumer items. Lithium-ion batteries store ...
Russia hopes nuclear ship will fly humans to Mars
Space & Earth / Space Exploration
Oct 29, 2009 |
4.6 / 5 (33) |
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(AP) -- Russia should build a new nuclear-powered spaceship for prospective manned missions to Mars and other planets, the nation's space chief said Thursday.
Previously Unknown Volcanic Eruption Helped Trigger Cold Decade
Space & Earth / Earth Sciences
Oct 29, 2009 |
4.3 / 5 (27) |
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(PhysOrg.com) -- A team of chemists from the U.S. and France has found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809.
Ubuntu 9.10 just released
Oct 29, 2009 |
4.3 / 5 (24) |
4
(PhysOrg.com) -- Canonical is releasing Ubuntu 9.10, the Karmic Koala, the latest version of its open-source operating system, and it aims to attract business and enterprise users to join the growing numbers ...
P vs. NP -- The most notorious problem in theoretical computer science remains open
Technology / Computer Sciences
Oct 29, 2009 |
4.6 / 5 (22) |
5
In the 1995 Halloween episode of The Simpsons, Homer Simpson finds a portal to the mysterious Third Dimension behind a bookcase, and desperate to escape his in-laws, he plunges through. He finds himself wander ...
Pinning Down Superconductivity to a Single Layer
Oct 29, 2009 |
4.9 / 5 (16) |
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(PhysOrg.com) -- Using precision techniques for making superconducting thin films layer-by-layer, physicists at the U.S. Department of Energy's Brookhaven National Laboratory have identified a single layer ...
Scientists Build First 'Frequency Comb' To Display Visible 'Teeth'
Oct 29, 2009 |
4.9 / 5 (15) |
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(PhysOrg.com) -- Finally, an optical frequency comb that visibly lives up to its name. Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology in the U.S. ...
Ancient ocean chemistry: Effects of biological oxygen production 100 million years before it accumulated in atmosphere
Space & Earth / Earth Sciences
Oct 29, 2009 |
4.8 / 5 (13) |
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(PhysOrg.com) -- Scientists widely accept that around 2.4 billion years ago, the Earth's atmosphere underwent a dramatic change when oxygen levels rose sharply. Called the "Great Oxidation Event" (GOE), the ...
Life's Ancient Island in the Ice
Space & Earth / Earth Sciences
Oct 29, 2009 |
4.6 / 5 (13) |
3
During the last ice age, massive glaciers covered much of our planet. However, a region of Alaska, Siberia and the Canadian Yukon remained ice-free. This region, known as Beringia, supported unique organisms ...
Inequality, 'silver spoon' effect found in ancient societies
Other Sciences / Social Sciences
Oct 29, 2009 |
3.7 / 5 (15) |
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The so-called "silver spoon" effect -- in which wealth is passed down from one generation to another -- is well established in some of the world's most ancient economies, according to an international study coordinated by ...
3D TV -- Without the Glasses (w/ Video)
Oct 29, 2009 |
3.8 / 5 (12) |
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(PhysOrg.com) -- Even with "active shutter" 3D technology for television sets, the wearing of special glasses is still required in order to get the proper experience. They aren't those red and blue or red and ...
Intel Reports Breakthrough in Stacked, Cross Point Phase Change Memory Technology
Oct 29, 2009 |
3.9 / 5 (11) |
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Intel Corp. and Numonyx today announced a key breakthrough in the research of phase change memory (PCM), a new non-volatile memory technology that combines many of the benefits of today's various memory types.
Gold Nanoparticles Delivery Platinum Warheads to Tumors
Nanotechnology / Bio & Medicine
Oct 29, 2009 |
4.9 / 5 (7) |
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(PhysOrg.com) -- Cisplatin is one of the most powerful and effective drugs for treating a wide variety of cancers, but serious side effects ultimately limit the drug's use and effectiveness. Now, however, researchers have ...
For gay and straight men, gauging facial attraction appears to operate similarly
Medicine & Health / Psychology & Psychiatry
Oct 29, 2009 |
4.4 / 5 (7) |
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(PhysOrg.com) -- A new study from a researcher at Harvard University finds that gay men are most attracted to the most masculine-faced men, while straight men prefer the most feminine-faced women.
Zero-emission scooter to debut in Japan
Oct 29, 2009 |
4.3 / 5 (7) |
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A Japanese zero-emission "hybrid" scooter to be released next year runs 10 times as economically as a petrol engine bike and can be assisted by human pedal power, its maker said Thursday.
