ScienceDaily: Top Technology News

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• Discovery of material with amazing properties
• Researchers advance biometric security
• Selenium suppresses staph on implant material
• Watching the quantum race of electrons
• Brain controlled robotic arm:Scientists read out arm movements from brain's surface

Discovery of material with amazing properties Posted: 24 Jun 2012 10:49 AM PDT Normally a material can be either magnetically or electrically polarized, but not both. Now researchers have studied a material that is simultaneously magnetically and electrically polarizable. This opens up new possibilities, for example, for sensors in technology of the future.

Researchers advance biometric security Posted: 21 Jun 2012 04:59 PM PDT Researchers have developed a way for security systems to combine different biometric measurements -- such as eye color, face shape or fingerprints -- and create a learning system that simulates the brain in making decisions about information from different sources.

Selenium suppresses staph on implant material Posted: 21 Jun 2012 08:33 AM PDT A coating of selenium nanoparticles significantly reduces the growth of Staphylococcus aureus on polycarbonate, a material common in implanted devices such as catheters and endotracheal tubes, engineers report.

Watching the quantum race of electrons Posted: 21 Jun 2012 08:25 AM PDT For the first time ever, physicists have observed the race of two electrons that are liberated from atoms in the course of photoionization, i.e. under the influence of laser radiation. In order to resolve the electron's movement during only 50 femtoseconds, scientists used an ultra fast terahertz streak camera in combination with a free-electron-laser. The experimental findings will improve the rapidly evolving free-electron-laser technology used in many fields of science - from physics to biology.

Brain controlled robotic arm:Scientists read out arm movements from brain's surface Posted: 21 Jun 2012 08:25 AM PDT Interfaces between the brain and a computer could be the key to a more independent life for patients with severe paralysis: Devices that transform the mere thought of a movement into a command for a robotic arm or a cursor on a screen. Scientists have now utilized the brain activity associated with an arm movement recorded from the surface of the brain to steer a cursor in real-time.

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