Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Oct 24, 2011
Oct. 24 - China's world-class table tennis players may soon face competition from two robots, programmed by scientists to serve, return and hold rallies. The humanoid machines have been equipped with ball-tracking technology and responsive limbs and could one day give human opponents a run for their money. Rob Muir reports.