News tagged with artificial
The world's most common operation
16 hours ago |
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As many as 10 million people around the world suffer from cataracts. Thomas Kohnen of the Goethe University in Frankfurt and his coauthors discuss cataract surgery with the implantation of an artificial lens in the current ...
Secure computers aren't so secure
Technology / Computer Sciences
Oct 30, 2009 |
4.6 / 5 (13) |
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(PhysOrg.com) -- Even well-defended computers can leak shocking amounts of private data. MIT researchers seek out exotic attacks in order to shut them down.
Parallel course: Researchers help ease transition to parallel programming
Technology / Computer Sciences
Oct 23, 2009 |
4.5 / 5 (16) |
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(PhysOrg.com) -- In 1995, a good computer chip had a clock speed of about 100 megahertz. Seven years later, in 2002, a good computer chip had a clock speed of about three gigahertz -- a 30-fold increase. And ...
New artificial enzyme safer for nature
Oct 22, 2009 |
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Perilous and polluting industrial processes can be made safer with enzymes. But only a short range of enzymes have been available for the chemical industry.
Light at night linked to symptoms of depression in mice
Medicine & Health / Neuroscience
Oct 21, 2009 |
4 / 5 (7) |
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Too much light at night can lead to symptoms of depression, according to a new study in mice. Researchers found that mice housed in a lighted room 24 hours a day exhibited more depressive symptoms than did similar mice that ...
Research Yields Sheep Breeding Improvements
Oct 20, 2009 |
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(PhysOrg.com) -- Artificial insemination (AI) techniques that work well with cattle and swine can be difficult or costly to perform in sheep, but help’s on the way, thanks to Agricultural Research Service ...
Caltech scientists create robot surrogate for blind persons in testing visual prostheses
Technology / Computer Sciences
Oct 19, 2009 |
5 / 5 (1) |
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Scientists at the California Institute of Technology (Caltech) have created a remote-controlled robot that is able to simulate the "visual" experience of a blind person who has been implanted with a visual ...
Bug barcode readers hold out promise of universal vaccines
Oct 15, 2009 |
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Veterinary scientists have made a discovery that promises to deliver a new approach to fast development of cheap vaccines that are effective in all mammals - not just humans or another particular species. They propose that ...
Cyborg beetles to be the US military's latest weapon (w/ Video)
Oct 15, 2009 |
4.7 / 5 (27) |
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(PhysOrg.com) -- A team of scientists funded by the US Defense Advanced Research Projects Agency (DARPA) have implanted miniature neural and muscle stimulation systems into beetles to enable their flight to ...
In search of machines that play at being human
Technology / Computer Sciences
Oct 14, 2009 |
2 / 5 (3) |
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Researchers at Carlos III University (Spain) have taken part in an international contest whose objective is to improve artificial intelligence utilized in virtual worlds. The challenge for the participants ...
New nanotech sensor developed with medical, chemistry applications
Nanotechnology / Bio & Medicine
Oct 13, 2009 |
5 / 5 (1) |
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Researchers at Oregon State University and other institutions have developed a new "plasmonic nanorod metamaterial" using extraordinarily tiny rods of gold that will have important applications in medical, biological and ...
Seeing things: Researchers teach computers to recognize objects
Technology / Computer Sciences
Oct 13, 2009 |
3.2 / 5 (5) |
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(PhysOrg.com) -- If computers could recognize objects, they could automatically search through hours of video footage for a particular two-minute scene. A tourist strolling down a street in a strange city ...
Securing the web: New tool would automatically plug holes that hackers exploit
Technology / Computer Sciences
Oct 08, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- More and more, malicious hackers are exploiting web site security holes to attack their victims' computers. Programmers try to identify those holes in advance and plug them with code that ...
UIC Researchers Probe Computer 'Commonsense Knowledge'
Technology / Computer Sciences
Oct 06, 2009 |
3.5 / 5 (2) |
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(PhysOrg.com) -- Challenge a simple pocket calculator at arithmetic and you may be left in the dust. But even the most sophisticated computer cannot match the reasoning of a youngster who looks outside, sees a fresh snowfall, ...
Self-driving car will get smarter
Oct 06, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Although Cornell's self-driving car didn't win the DARPA Urban Challenge in 2007, it is alive and well and soon to become safer and more talented -- it will soon be a test bed for new research ...
