HANNOVER, GERMANY - MARCH 02: A young woman watches a man, wearing an EEG brain scanning apparatus on his head, play a pinball game solely through willing the paddles to react with his brain at the Berlin Brain Computer Interface research consortium stand at the CeBIT Technology Fair on March 2, 2010 in Hannover, Germany. CeBIT will be open to the public from March 2 through March 6. (Photo by Sean Gallup/Getty Images)
