Swiss scientists demonstrate mind-controlled robot

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A spectator moves out of the way as Mark-Andre Duc, seen on the computer screen, directs a robot at Switzerland's Federal Institute of Technology in Lausanne, Switzerland, Tuesday, April 24, 2012. From the hospital 100 kilometers (62 miles) away, Duc imagined lifting his fingers to direct a robot. Swiss scientists demonstrated with this test how a partially paralyzed person can control a robot using brain signals alone. (AP Photo/Anja Niedringhaus)Swiss scientists have demonstrated how a partially paralyzed person can control a robot by thought alone, a step they hope will one day allow immobile people to interact with their surroundings through so-called avatars.

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