The word robot is commonly defined as a mechanical device capable of performing human tasks, or behaving in a human-like manner. No argument here. The description certainly fits. But to the robotics experimenter, “robot” has a completely different meaning. A robot is a special brew of motors, solenoids, wires, and assorted electronic odds and ends, a marriage of mechanical and electronic gizmos. Taken together, the parts make a half-living but wholly personable creature that can vacuum the floor, serve drinks, protect the family against intruders and fire, entertain, educate, and lots more. In fact, there’s almost no limit to what a well-designed robot can do
