ScienceDaily Technology Headlines
for Sunday, January 30, 2011
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New glasses change lens color on the fly (January 29, 2011) -- New protective eyewear will eliminate the need for warfighters to stop to change out colored lenses to accommodate differences in light levels. ... > full story
Global eruption rocks the Sun: Scientists re-evaluate ideas about solar storms (January 28, 2011) -- On August 1, 2010, an entire hemisphere of the sun erupted. Filaments of magnetism snapped and exploded, shock waves raced across the stellar surface, billion-ton clouds of hot gas billowed into space. Astronomers knew they had witnessed something big. It was so big, it may have shattered old ideas about solar activity. ... > full story
Cow rumen enzymes for better biofuels (January 28, 2011) -- When it comes to breaking down plant matter and converting it to energy, the cow has it all figured out. Its digestive system allows it to eat more than 150 pounds of plant matter every day. Now researchers report that they have found dozens of previously unknown microbial enzymes in the bovine rumen -- the cow's primary grass-digestion chamber -- that contribute to the breakdown of switchgrass, a renewable biofuel energy source. ... > full story
Unlocking the secrets of DNA (January 28, 2011) -- Neutron scattering has provided the first experimental data showing how DNA structure changes as it 'melts'. This knowledge is a step towards technological applications of DNA, such as computer components. ... > full story
Social networking provides insights into leadership, trust and mobility (January 28, 2011) -- Computer scientists provide insights into how the analysis of our social networking interactions could discover things like the emergence or decline of leadership, changes in trust over time, and migration and mobility within particular communities online. ... > full story
Touchscreens made of carbon (January 28, 2011) -- Touchscreens are in – although the technology still has its price. The little screens contain rare and expensive elements. This is the reason why researchers are coming up with an alternative display made of low-priced renewable raw materials available all over the world. Researchers have now made prototype touchscreens that contain carbon nanotubes. ... > full story
A mix of tiny gold and viral particles, and the DNA ties that bind them (January 28, 2011) -- Scientists have created a diamond-like lattice composed of gold nanoparticles and viral particles, woven together and held in place by strands of DNA. The structure -- a distinctive mix of hard, metallic nanoparticles and organic viral pieces known as capsids, linked by the very stuff of life, DNA -- marks a remarkable step in scientists' ability to combine an assortment of materials to create infinitesimal devices. ... > full story
New transistor for plastic electronics exhibits the best of both worlds (January 28, 2011) -- Researchers have developed a transistor with excellent stability and performance for use on plastic electronics. In addition, it can be manufactured at relatively low temperatures in a regular atmosphere. ... > full story
New training instrument allows surgeon to feel grasp force in keyhole surgery (January 28, 2011) -- The number of complications following keyhole surgery can be reduced by giving the surgeons a better feeling of how hard they are grasping the tissue with their operating instruments. This is made possible by designing the instrument in such a way that it sends tangible feedback signals to the handle held by the surgeon. ... > full story
Nanowires exhibit giant piezoelectricity (January 28, 2011) -- Researchers have reported that piezoelectricity in GaN and ZnO nanowires is enhanced by as much as two orders of magnitude as the diameter of the nanowires decrease. ... > full story
New computer tool for elderly and disabled (January 28, 2011) -- Disabled and elderly people could find it easier to navigate around town and city centers with a new hand-held computer being developed by a geographical information systems. ... > full story
Physics for financial markets (January 27, 2011) -- When regulating financial markets, physics may help. As a result of the financial crisis, many countries are trying to regulate their financial markets. Recently the heated debates about bonus taxes, a permanent levy on banks' balance sheets and a ban on short sales have taken another turn, with France's President Nicolas Sarkozy promoting a transaction tax. But are policy-makers doing the right thing? Or will they obstruct the self-regulating forces of the markets? ... > full story
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