'Mach c'? Scientists observe sound traveling faster than the speed of light
Jan 17, 2007 |
4.1 / 5 (193) |
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For the first time, scientists have experimentally demonstrated that sound pulses can travel at velocities faster than the speed of light, c. William Robertson’s team from Middle Tennessee State University ...
Dark energy may be vacuum
Jan 17, 2007 |
4.6 / 5 (55) |
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Researchers at the University of Copenhagen's Dark Cosmology Centre at the Niels Bohr Institute have brought us one step closer to understanding what the universe is made of. As part of the international collaboration ESSENCE ...
Research removes major obstacle from mass production of tiny circuits
Nanotechnology / Nanomaterials
Jan 17, 2007 |
4.2 / 5 (17) |
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As they eliminate tiny air bubbles that form when liquid droplets are molded into intricate circuits, a Princeton-led team is dissolving a sizable obstacle to the mass production of smaller, cheaper microchips.
Water theory is watertight, researchers say
Jan 17, 2007 |
4.2 / 5 (23) |
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There may be tiny bubbles in the wine, but not at the interface between water and a waxy coating on glass, a new study shows.
Study uncovers a lethal secret of 1918 influenza virus
Jan 17, 2007 |
4.4 / 5 (19) |
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In a study of non-human primates infected with the influenza virus that killed 50 million people in 1918, an international team of scientists has found a critical clue to how the virus killed so quickly and efficiently.
New nano-detector very promising for remote cosmic realms
Jan 17, 2007 |
3.8 / 5 (12) |
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A miniscule but super-sensitive sensor can help solve the mysteries of outer space. Cosmic radiation, which contains the terahertz frequencies that the sensors detect, offers astronomers important new information ...
Doomsday clock moves forward 2 minutes
Jan 17, 2007 |
3.4 / 5 (28) |
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The Bulletin of the Atomic Scientists (BAS) is moving the minute hand of the Doomsday Clock today from seven to five minutes to midnight. Reflecting global failures to solve the problems posed by nuclear weapons and the climate ...
Scientists study a magnetic makeover
Jan 17, 2007 |
4.6 / 5 (14) |
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Researchers at the University of Victoria have discovered new lightweight magnets that could be used in making everything from extra-thin magnetic computer memory to ultra-light spacecraft parts. A paper on the study will ...
Assisting NASA in biology mission, Stanford helps E. coli visit the final frontier
Space & Earth / Space Exploration
Jan 17, 2007 |
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Banished from kitchen counters, E. coli, albeit a harmless variety, are taking to space. On Saturday, Dec. 16, 2006, bacteria hitchhiked into low-Earth orbit aboard an Air Force Minotaur 1 rocket that took ...
Study revises understanding of primate origins
Biology /
Jan 17, 2007 |
4.3 / 5 (11) |
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A new study led by a University of Florida paleontologist reconstructs the base of our family tree and extends its roots 10 million years, a finding that sheds new light on the origin and earliest stages of primate evolution.
Scientists Discover Way to Order Polar Molecules in Crystals
Jan 17, 2007 |
4.2 / 5 (5) |
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Researchers at the University of Missouri-Columbia have found a way to organize molecules in a crystal so that the poles align in the same direction. In preliminary tests, the scientists also have discovered that aligned ...
Studies yield insight into the numerical brain
Jan 17, 2007 |
4.3 / 5 (10) |
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Two studies in the January 18, 2007, issue of the journal Neuron, published by Cell Press, shed significant light on how the brain processes numerical information--both abstract quantities and their concrete representations as sym ...
How Will the Economy Fare in 2007?
Jan 17, 2007 |
2.3 / 5 (3) |
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North Carolina State professor Dr. Michael Walden is an economist and not an airplane pilot, but he uses aviation terminology to discuss the prospects for the U.S. economy in the next 12 months.
Prussian Blue for information storage
Jan 17, 2007 |
4.1 / 5 (9) |
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In the family of Prussian blue, there is a compound that can act as a switch: it is not magnetic at the outset, but it can become magnetized by the effect of light and return to its initial state by heating. Researchers of ...
Big vegetarian mammals can play a critical role in maintaining healthy ecosystems, study finds
Biology /
Jan 17, 2007 |
3.7 / 5 (3) |
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Removing large herbivorous mammals from the African savanna can cause a dramatic shift in the relative abundance of species throughout the food chain, according to scientists from Stanford University, Princeton University ...
