Boston Dynamics’ BigDog robot–an advanced four-legged robot developed for DARPA and the U.S. Army–can now jump up with no legs touching the ground, climb over a brick pile, walk on snow-covered slopes and icy surfaces, and can even recover from slipping while on ice.

It uses hyper-responsive hydraulic joints, an onboard PC processor, and a suite of sensors, accelerometers and gyroscopes.

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