ScienceDaily Technology Headlines
for Saturday, July 30, 2011
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'Brain cap' technology turns thought into motion; Mind-machine interface could lead to new life-changing technologies for millions of people (July 29, 2011) -- "Brain cap" technology now being developed allows users to turn their thoughts into motion. Researchers have created a noninvasive, sensor-lined cap with neural interface software that soon could be used to control computers, robotic prosthetic limbs, motorized wheelchairs and even digital avatars. ... > full story
Scary driving? Put the brakes on using your brain power (July 29, 2011) -- Researchers have used drivers' brain signals, for the first time, to assist in braking, providing much quicker reaction times and a potential solution to the thousands of car accidents that are caused by human error. ... > full story
Chandra X-ray Observatory images gas flowing toward black hole (July 29, 2011) -- The flow of hot gas toward a black hole has been clearly imaged for the first time in X-rays. The observations from NASA's Chandra X-ray Observatory will help tackle two of the most fundamental problems in modern astrophysics: understanding how black holes grow and how matter behaves in their intense gravity. ... > full story
SOHO watches a comet fading away (July 29, 2011) -- On Nov. 4, 2010, NASA's EPOXI spacecraft came within 450 miles of Comet Hartley 2, a small comet not even a mile in diameter, which takes about six and a half years to orbit the sun. Designated officially as 103P/Hartley 2, the comet thus became the fifth for which scientists have collected close-up images. ... > full story
Emulating nature for better engineering (July 29, 2011) -- Researchers in the UK describe a novel approach to making porous materials, solid foams, more like their counterparts in the natural world, including bone and wood. ... > full story
Common Korean surname tells tale of nationhood (July 29, 2011) -- The most common surname in Korea -- Kim -- has been traced back 1,500 years using a statistical model, providing evidence of a strong, stable culture that has remained intact to this day. ... > full story
Unexpected clue to thermopower efficiency: Uneven temperature can lead to electronic whirlpools and sideways magnetic fields (July 28, 2011) -- Scientists have discovered a new relation among electric and magnetic fields and differences in temperature, which can result in swirling vortices of electrons and holes in semiconductor devices and emit sideways magnetic fields. Understanding the unusual new effect may lead to more efficient thermoelectric devices, which convert heat into electricity or electricity into heat. ... > full story
Fundamental matter-antimatter symmetry confirmed (July 28, 2011) -- An international collaboration has set a new value for the antiproton mass relative to the electron with unprecedented precision. ... > full story
Protecting networks is just a game (July 28, 2011) -- Information technologists have used game theory to develop a defense mechanism for networks that is more effective than previous approaches. ... > full story
New invisibility cloak hides objects from human view (July 28, 2011) -- For the first time, scientists have devised an invisibility cloak material that hides objects from detection using light that is visible to humans. The new device is a leap forward in cloaking materials. ... > full story
Research reveals why hedge funds are an unlikely large source of systemic risk (July 28, 2011) -- A new study finds that hedge funds are moderately leveraged, leverage is counter-cyclical to the leverage of banks and the finance sector, and hedge fund leverage was at its lowest during the financial crisis in 2008. ... > full story
Artificial cilia open new nanotech possibilties; One step closer to learning how cilia movement is coordinated (July 28, 2011) -- Cilia -- tiny hair-like structures that perform feats such as clearing microscopic debris from the lungs and determining the correct location of organs during development -- move in mysterious ways. Researchers have created artificial cilia-like structures that offers a new approach for cilia study. ... > full story
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