LONDON, ENGLAND – NOVEMBER 29: Robotics student Gildo Andreoni interacts with a Dexmart robotic hand built at the University of Bologna 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)