Low-cost, Home-built 3-D Printer Could Launch a Revolution
Mar 05, 2007 |
4.6 / 5 (120) |
0
The Altair 8800, introduced in the early 1970s, was the first computer you could build at home from a kit. It was crude, didn't do much, but many historians would say that it launched the desktop computer revolution. ...
New nanoscale engineering breakthrough points to hydrogen-powered vehicles
Nanotechnology / Nanomaterials
Mar 05, 2007 |
4.2 / 5 (61) |
0
Researchers at the U.S. Department of Energy's Argonne National Laboratory have developed an advanced concept in nanoscale catalyst engineering – a combination of experiments and simulations that will bring ...
Geologists Reveal Secrets Behind Supervolcano Eruption
Space & Earth / Earth Sciences
Mar 05, 2007 |
4.4 / 5 (36) |
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Researchers at Rensselaer Polytechnic Institute have discovered what likely triggered the eruption of a “supervolcano” that coated much of the western half of the United States with ash fallout 760,000 years ...
Out-of-body experiences may be caused by arousal system disturbances in brain
Mar 05, 2007 |
4 / 5 (29) |
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Having an out-of-body experience may seem far-fetched to some, but for those with arousal system disturbances in their brains, it may not be a far off idea that they could sense they were really outside their own body watching ...
Scientists explain inception of perception in the brain
Mar 05, 2007 |
4.3 / 5 (19) |
0
The taste of champagne, the sound of a train, the flash of a pop fly into left field – indeed all of human perception – begins in the brain’s center. That’s where sensory information passes from the thalamus to the neocortex ...
Imaging 'Gridlock' in High-temperature Superconductors
Mar 05, 2007 |
4.7 / 5 (15) |
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Superconductivity -- the conduction of electricity with zero resistance -- sometimes can, it seems, become stalled by a form of electronic "gridlock."
Red pepper: Hot stuff for fighting fat?
Mar 05, 2007 |
4.1 / 5 (14) |
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Food scientists in Taiwan are reporting new evidence from laboratory experiments that capsaicin — the natural compound that gives red pepper that spicy hot kick — can reduce the growth of fat cells. The study is scheduled ...
Study documents evidence of 'mafia' behavior in cowbirds
Biology /
Mar 05, 2007 |
4.3 / 5 (13) |
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“The Sopranos” have some competition — brown-headed cowbirds. Cowbirds have long been known to lay eggs in the nests of other birds, which then raise the cowbirds’ young as their own. Sneaky, perhaps, but not ...
Panasonic develops White Color Power LEDs by employing GaN Substrates
Mar 05, 2007 |
4.2 / 5 (12) |
1
Panasonic today announced that it has developed a blue LED element by employing GaN substrates for the first time in the industry.
Tundra disappearing at rapid rate
Mar 05, 2007 |
4.3 / 5 (10) |
0
Forests of spruce trees and shrubs in parts of northern Canada are taking over what were once tundra landscapes--forcing out the species that lived there. This shift can happen at a much faster speed than scientists originally ...
'Wingman' -- how buddies help alpha males get the girl
Biology /
Mar 05, 2007 |
3.7 / 5 (10) |
0
Why do some individuals sacrifice their own self-interest to help others? The evolution and maintenance of cooperative behavior is a classic puzzle in evolutionary biology. In some animal societies, cooperation ...
Global warming reaches Mount Everest
Mar 05, 2007 |
2.7 / 5 (13) |
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A French-led study has determined global warming has affected the ice cap on Mount Everest in the heart of the Himalayas.
Elevated arsenic levels reported in rice grown in South Central States
Mar 05, 2007 |
4.6 / 5 (7) |
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The largest market basket survey of the arsenic content of rice grown in the United States has found elevated levels of arsenic in rice produced in the South Central part of the country, scientists report in an article scheduled ...
Spiders: Chastity belts stop cuckoos in the nest
Biology /
Mar 05, 2007 |
3.9 / 5 (8) |
0
The fact that female wasp spiders have numerous sexual contacts is something which their male partners cannot prevent. What they can do, however, is ensure that no offspring ensue from these tête à têtes with ...
Scientists design 'green' automobile
Mar 05, 2007 |
2.8 / 5 (11) |
0
Automotive engineers at the Union of Concerned Scientists have developed a minivan design they said proves automakers can build affordable "green" vehicles.
