Four-legged robotic runner

"A nimble, four-legged robot is so surefooted it can recover its balance even after being given a hefty kick. The machine, which moves like a cross between a goat and a pantomime horse, is being developed as a robotic pack mule for the US military. "

http://video.google.co.uk/videoplay?docid=5349770802105160028

This four-legged scary piece of equipment comes from Boston Dynamics. It looks freaky, jumping around on its four legs without a thought of stepping aside.