This document provides an overview of robots and robotics. It defines a robot as a re-programmable machine that can perform tasks automatically in place of humans, especially in hazardous environments. The document then discusses the history and origins of the words "robot" and "robotics." It also outlines some of the key parts of industrial robots like sensors, effectors, actuators, controllers, and arms. Finally, it briefly describes different types of robots and their applications as well as some advantages and disadvantages of robotics.