Device harvests energy from ambient TV signals

Posted by Kate Taylor
Researchers have created a new energy-harvesting device that can draw power from sources such as radio and television transmitters, cell phone networks and satellite communications systems.
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NASA trains humanoid robot for space station duty

Posted by Aharon Etengoff
NASA is preparing to launch the first human-like robot to space as part of the Discovery STS-133 mission planned for September. 

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