LONDON, ENGLAND – NOVEMBER 29: Robotics PhD student Luke Wood works on KASPAR, a robot built at the University of Hertfordshire to help autistic children, in the Robotville exhibition at the Science Museum on November 29, 2011 in London, England. The Science Museum’s Robotville exhibition showcases 20 unique and cutting-edge robots from European research laboratories, it is free to enter and runs from December 1-4, 2011. (Photo by Oli Scarff/Getty Images)







