DARPA and Boston Dynamics have broken their own legged-robot land speed record: Cheetah, which set a record of 18mph earlier in the year, has now been clocked at 28.3mph (12.6m/s) -- faster than Usain ...

Engineers at MIT have created a plethora of robots in recent years from machines that see with their feet to a cheetah automaton that can run through the grass. Now ...