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Articles in 'Technology'
A smarter way to make ultraviolet light beams
— 2 Dec 2011 10:56Existing coherent ultraviolet light sources are power hungry, bulky and expensive. University of Michigan researchers have found a better way to build compact ultraviolet sources with low power consumption that could improve information storage, microscopy and chemical analysis…
Biocompatible graphene transistor array reads cellular signals
— 2 Dec 2011 10:47Researchers have demonstrated, for the first time, a graphene-based transistor array that is compatible with living biological cells and capable of recording the electrical signals they generate. This proof-of-concept platform opens the way for further investigation of a promising new material. Graphene's distinctive combination of characteristics makes it a leading contender for future biomedical applications requiring a direct interface between microelectronic devices and nerve cells or other living tissue. A team of scientists from the Technische Universitaet Muenchen and the Juelich Research Centre published the results in the journal Advanced Materials…
Researchers find some smartphone models more vulnerable to attack
— 2 Dec 2011 10:44New research from North Carolina State University shows that some smartphones specifically designed to support the Android mobile platform have incorporated additional features that can be used by hackers to bypass Android's security features, making them more vulnerable to attack. Android has the largest share of the smartphone market in the U.S.…
MIT: New algorithm may improve defensive driving
— 2 Dec 2011 10:38In 2008, according to the National Highway Traffic Safety Administration, 2.3 million automobile crashes occurred at intersections across the United States, resulting in some 7,000 deaths. More than 700 of those fatalities were due to drivers running red lights. But, according to the Insurance Institute for Highway Safety, half of the people killed in such accidents are not the drivers who ran the light, but other drivers, passengers and pedestrians…
Researchers use CT to recreate Stradivarius violin
— 28 Nov 2011 19:26Using computed tomography (CT) imaging and advanced manufacturing techniques, a team of experts has created a reproduction of a 1704 Stradivarius violin. Three-dimensional images of the valuable violin and details on how the replica was made were presented today at the annual meeting of the Radiological Society of North America (RSNA)…
Terminator-style info-vision takes step towards reality
— 22 Nov 2011 16:41The streaming of real-time information across your field of vision is a step closer to reality with the development of a prototype contact lens that could potentially provide the wearer with hands-free information updates…
Scientists invent long-lasting, near infrared-emitting material
— 21 Nov 2011 19:25Materials that emit visible light after being exposed to sunlight are commonplace and can be found in everything from emergency signage to glow-in-the-dark stickers. But until now, scientists have had little success creating materials that emit light in the near-infrared range, a portion of the spectrum that only can be seen with the aid of night vision devices…
Team of researchers develop world's lightest material
— 18 Nov 2011 17:09A team of researchers from UC Irvine, HRL Laboratories and the California Institute of Technology have developed the world's lightest material - with a density of 0.9 mg/cc - about 100 times lighter than Styrofoam. Their findings appear in the 18 November issue of Science…
Humans can control a cursor with power of thought
— 9 Apr 2011 11:46The act of mind reading is something usually reserved for science-fiction movies but researchers in America have used a technique, usually associated with identifying epilepsy, for the first time to show that a computer can listen to our thoughts. In a new study, scientists from Washington University demonstrated that humans can control a cursor on a computer screen using words spoken out loud and in their head, holding huge applications for patients who may have lost their speech through brain injury or disabled patients with limited movement…
Nanoparticles improve solar collection efficiency
— 6 Apr 2011 18:19Using minute graphite particles 1000 times smaller than the width of a human hair, mechanical engineers at Arizona State University hope to boost the efficiency - and profitability - of solar power plants…
Researchers develop flow sensors that mimic blind fish
Student-designed device provides new way to track calorie burning