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Tuesday, October 18, 2011

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


Impurity atoms introduce waves of disorder in exotic electronic material

Posted: 17 Oct 2011 02:08 PM PDT

Scientists reveal how substituting just a few atoms can cause widespread disruption of the delicate electron interactions that give a particular "heavy fermion" material its unique properties, including superconductivity.

Dark matter mystery deepens

Posted: 17 Oct 2011 09:43 AM PDT

Like all galaxies, our Milky Way is home to a strange substance called dark matter. Dark matter is invisible, betraying its presence only through its gravitational pull. Without dark matter holding them together, our galaxy's speedy stars would fly off in all directions. The nature of dark matter is a mystery -- a mystery that a new study has only deepened.

Electromobility: New components going for a test run

Posted: 17 Oct 2011 09:43 AM PDT

The future belongs to electrical cars -- that's what most experts think. In the future, it will be whisper-quiet on road because in the long run electric cars will replace the internal combustion engine. But there are still some unanswered questions. For instance, how do you store the electricity in cars? Or what power networks do you need?

Wearable depth-sensing projection system makes any surface capable of multitouch interaction

Posted: 17 Oct 2011 08:15 AM PDT

OmniTouch, a wearable projection system developed by researchers, enables users to turn pads of paper, walls or even their own hands, arms and legs into graphical, interactive surfaces. OmniTouch employs a depth-sensing camera to track the user's fingers on everyday surfaces. This allows users to control interactive applications by tapping or dragging their fingers, much as they would with touchscreens found on smartphones or tablet computers.

Nano funnel used to generate extreme ultraviolet light pulses

Posted: 17 Oct 2011 06:23 AM PDT

Scientists have successfully concentrated the energy of infrared laser pulses using a nano funnel enabling them to generate extreme ultraviolet light pulses, which repeated 75 million times per second.

Could a computer one day rewire itself? New nanomaterial 'steers' electric currents in multiple dimensions

Posted: 16 Oct 2011 10:20 AM PDT

Scientists have developed a new nanomaterial that can "steer" electrical currents. The development could lead to a computer that can simply reconfigure its internal wiring and become an entirely different device, based on changing needs. The material combines different aspects of silicon- and polymer-based electronics to create a new classification of electronic materials: nanoparticle-based electronics.

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