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The quality of entries in the world's largest open-access online encyclopedia depends on how authors collaborate, University of Arizona Professor Sudha Ram finds.
Source: University of Arizona Posted on: Friday, Mar 12, 2010, 4:58pm Rating: Not Rated | Views: 109 | Comments: 0
Arizona State Univeristy scientist N.J. Tao and his colleagues at the Biodesign Institute have hit on a new, versatile method to significantly improve the detection of trace chemicals important in such areas as national security, human health and the environment.
Source: Arizona State University Posted on: Friday, Mar 12, 2010, 3:14pm Rating: Not Rated | Views: 76 | Comments: 0
Computers should not play dice. That, to paraphrase Einstein, is the feeling of a University of Washington computer scientist with a simple manifesto: If you enter the same computer command, you should get back the same result.
Source: University of Washington Posted on: Thursday, Mar 11, 2010, 6:36am Rating: Not Rated | Views: 60 | Comments: 0
Consider this T-shirt: It can monitor your heart rate and breathing, analyze your sweat and even cool you off on a hot summer's day. What about a pillow that monitors your brain waves, or a solar-powered dress that can charge your ipod or MP4 player? This is not science fiction – this is cotton in 2010.
Source: Cornell University Posted on: Wednesday, Mar 10, 2010, 9:02am Rating: Not Rated | Views: 137 | Comments: 0
Universities around the country are struggling with shrinking budgets, even as they need to cater to the needs of an increasing number of students. New research from North Carolina State University shows that one way to cut down on costs, and simultaneously improve the learning experience, is to have students use the technology they already bring into the classroom.
Source: North Carolina State University Posted on: Tuesday, Mar 09, 2010, 2:15pm Rating: Not Rated | Views: 109 | Comments: 0
Most people are familiar with security technology that scans a person's handprint or eye for identification purposes. Now, thanks in part to research from North Carolina State University, we are closer to practical technology that can test someone's voice to confirm their identity.
Source: North Carolina State University Posted on: Monday, Mar 08, 2010, 3:19pm Rating: Not Rated | Views: 109 | Comments: 0
The more heterogeneous the community of an online chat channel, the more chances the channel has to survive over time. This has been concluded in a new joint study carried out by researchers of the University of Haifa and the New Jersey Institute of Technology.
Source: University of Haifa Posted on: Monday, Mar 08, 2010, 2:03pm Rating: Not Rated | Views: 145 | Comments: 0
University of Utah engineers developed a computer-controlled, motorized hand and arm support that will let doctors, artists and others precisely control scalpels, brushes and tools over a wider area than otherwise possible, and with less fatigue.
Source: University of Utah Posted on: Monday, Mar 08, 2010, 12:25pm Rating: Not Rated | Views: 103 | Comments: 0
MIT chemical engineers have built a sensor array that, for the first time, can detect single molecules of hydrogen peroxide emanating from a single living cell.
Source: Massachusetts Institute of Technology Posted on: Monday, Mar 08, 2010, 8:01am Rating: Not Rated | Views: 119 | Comments: 0
Students at Virginia Tech's Unmanned Systems Laboratory are perfecting an autonomous helicopter they hope will never be used for its intended purpose. Roughly six feet long and weighing 200 pounds, the re-engineered aircraft is designed to fly into American cities blasted by a nuclear weapon or dirty bomb.
Source: Virginia Tech Posted on: Thursday, Mar 04, 2010, 4:29pm Rating: Not Rated | Views: 1119 | Comments: 0
The most common digital security technique used to protect both media copyright and Internet communications has a major weakness, University of Michigan computer scientists have discovered.
Source: University of Michigan Posted on: Thursday, Mar 04, 2010, 12:44pm Rating: Not Rated | Views: 123 | Comments: 0
Mini- thrusters or miniature, electric propulsion systems are being developed, which could make it easier for the Air Force's small satellites, including the latest CubeSats, to perform space maneuvers and undertake formidable tasks like searching for planets beyond our solar system.
Source: Air Force Office of Scientific Research Posted on: Thursday, Mar 04, 2010, 11:37am Rating: Not Rated | Views: 112 | Comments: 0
Purdue University researchers have developed a miniature device capable of converting ultrafast laser pulses into bursts of radio-frequency signals, a step toward making wires obsolete for communications in the homes and offices of the future.
Source: Purdue University Posted on: Thursday, Mar 04, 2010, 11:37am Rating: Not Rated | Views: 93 | Comments: 0
A low-cost water purification technique published in Current Protocols in Microbiology could help drastically reduce the incidence of waterborne disease in the developing world.
Source: Wiley-Blackwell Posted on: Wednesday, Mar 03, 2010, 8:17pm Rating: Not Rated | Views: 291 | Comments: 0
"We have found a way to measure a very high capacity waveform with a combination of standard electronics and optics," said S.J. Ben Yoo, professor of electrical and computer engineering at UC Davis. A paper describing the technology was published Feb. 28 in the journal Nature Photonics.
Source: University of California - Davis Posted on: Tuesday, Mar 02, 2010, 11:04am Rating: Not Rated | Views: 181 | Comments: 0
Random thermal fluctuations in magnetic memory can be harnessed to reduce the energy required to store information, according to an experiment reported in the current issue of Physical Review Letters.
Source: American Physical Society Posted on: Monday, Mar 01, 2010, 2:51pm Rating: Not Rated | Views: 132 | Comments: 0
Exerting delicate control over a pair of atoms within a mere seven-millionths-of-a-second window of opportunity, physicists at the University of Wisconsin-Madison created an atomic circuit that may help quantum computing become a reality.
Source: University of Wisconsin-Madison Posted on: Sunday, Feb 28, 2010, 4:53pm Rating: Not Rated | Views: 86 | Comments: 0
A little-used Internet authentication system from the 1980s could provide the answer for enabling web users to securely sign in only once per Internet session, a Queensland University of Technology researcher has found.
Source: Queensland University of Technology Posted on: Thursday, Feb 25, 2010, 11:25am Rating: Not Rated | Views: 232 | Comments: 0
A laser technique best known for its use to remove unwanted tattoos from the skin is finding a second life in preserving great sculptures, paintings and other works of art, according to an article in ACS' monthly journal, Accounts of Chemical Research. The technique, called laser ablation, involves removing material from a solid surface by vaporizing the material with a laser beam.
Source: American Chemical Society Posted on: Wednesday, Feb 24, 2010, 3:46pm Rating: Not Rated | Views: 157 | Comments: 0
Listen: Rock Out With A Homemade Electric Guitar Forget the air guitar solos, go electric for under $10. Sound artist Ranjit Bhatnagar, a member of NYC Resistor, specializes in building cheap, DIY instruments. He explains how to make an electric guitar from a plank of wood, some wire, a magnet and a guitar string.
Source: NPR Posted on: Monday, Mar 08, 2010, 1:24pm Rating: Not Rated | Views: 35 | Comments: 0
Getting More from Location Data Thanks to smart phones and other mobile devices, the number of applications that make use of geolocation data is exploding. But developers and device makers face new challenges that include determining physical location accurately, turning coordinates into meaningful information, and protecting users' privacy.
Source: Technology Review Posted on: Monday, Mar 08, 2010, 1:23pm Rating: Not Rated | Views: 32 | Comments: 0
Security expert cracks PC encryption chip Deep inside millions of computers is a digital Fort Knox, a special chip with the locks to highly guarded secrets, including classified government reports and confidential business plans. Now a former U.S. Army computer-security specialist has devised a way to break those locks.
Source: MSNBC Posted on: Tuesday, Feb 09, 2010, 8:57am Rating: Not Rated | Views: 153 | Comments: 0
Hear With Your Teeth Conventional hearing aids use air conduction to turn up the volume on the sound traveling to the ear. But a new device from Sonitus Medical, turns up the volume using bone conduction
Source: Discovery Channel Posted on: Tuesday, Feb 02, 2010, 11:51am Rating: Not Rated | Views: 126 | Comments: 0
Is 2010 the year of wireless congestion? For the last few years, wireless carriers and manufacturers have been pushing smartphones as the way to go. But now that a growing numbers of Americans are using them, the system seems like it's starting to choke.
Source: MSNBC Posted on: Monday, Jan 04, 2010, 12:47pm Rating: Not Rated | Views: 178 | Comments: 0
The world's top 10 spammers Gangs of hackers make money not only by stealing from electronic accounts but also by spamming. Here are the 10 biggest offenders around the world.
Source: MSNBC Posted on: Monday, Jan 04, 2010, 11:54am Rating: Not Rated | Views: 152 | Comments: 0
Never Stop at a Gas Station Again That would be how it works if you drove an electric vehicle. Your refueling would be done in the garage at your house, in a parking space at work, at the places you shop and dine.
Source: Discovery Channel Posted on: Monday, Jan 04, 2010, 11:54am Rating: Not Rated | Views: 178 | Comments: 0
Biotech Could Take Rabbits Off Lab Duty When Ken Aldrich describes the cornea forming in a petri dish at his company's lab, it sounds crazy. But these little ball of cells might actually spare animals from lab testing and be used for transplants in humans. Aldrich is ...
Source: Discovery Channel Posted on: Monday, Dec 14, 2009, 10:20am Rating: Not Rated | Views: 285 | Comments: 0
Scientists, lawyers mull effects of home robots We're still far from the sci-fi dream of having robots whirring about and catering to our every need. But little by little, we'll be sharing more of our space with robots in the next decade, as prices drop and new technology creates specialized machines that clean up spilled milk or even provide comfort for an elderly parent.
Source: MSNBC Posted on: Monday, Dec 07, 2009, 1:14pm Rating: Not Rated | Views: 248 | Comments: 0
Amputee able to move robotic hand with his mind An Italian-led team of scientists talk of a breakthrough in thought-controlled prostheses that connects an artificial limb through electrodes.
Source: LA Times Posted on: Monday, Dec 07, 2009, 12:47pm Rating: Not Rated | Views: 242 | Comments: 0