Posted: 30 Apr 2009 10:37 AM PDT
Posted: 30 Apr 2009 10:13 AM PDT
Posted: 30 Apr 2009 07:51 AM PDT
Posted: 30 Apr 2009 07:25 AM PDT
Posted: 30 Apr 2009 07:08 AM PDT
Posted: 30 Apr 2009 06:27 AM PDT
Posted: 30 Apr 2009 06:06 AM PDT
Posted: 30 Apr 2009 05:51 AM PDT
Scientists have developed a wheelchair controlled by the power of thought. The robotic chair could revolutionise life for those with severe disabilities who are unable to use a conventional joystick. It works by creating a three-dimensional picture of the area around it, with a laser scanner. This is displayed on a screen in front of the user.
Posted: 30 Apr 2009 04:20 AM PDT
Astronomers have spied a gamma-ray burst from the universe's infancy, making it the oldest event ever witnessed and shedding light on cosmic origins, say US and British scientists.
Posted: 30 Apr 2009 01:30 AM PDT
The fastest imaging system ever devised has been demonstrated by researchers reporting in the journal Nature.
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