This feature, called "articulated tracking," is patented by Remotec, the company that sells and manufactures the robot. Speed: variable, between five and 70 feet per minute An operator can control ...

Rotating the screws in different directions allows the robot to move forwards, backwards, left and right—as well as to rotate clockwise or counter-clockwise while standing in place. It can climb ...

Video cameras see fast and far—all the way to the horizon. They can measure the texture and color of the ground, helping robots understand where it's safe to drive and alerting them to dangers.