Common in science fiction, robots are generally depicted as working in the service of people, but often escaping the control of the people and doing them harm. From this, the fictional image of robots is sometimes troubling, expressing the fears that people may have of a robotized world over which they cannot keep control. The history of real robots is rarely as dramatic, but where developments in robotics may lead is beyond our imagination.
Robots exist today.
They are used in a relatively small number of factories located in highly industrialized countries such as the United States, Germany, and Japan. Robots are also being used for scientific research, in military programs, and as educational tools, and they are being developed to aid people who have lost the use of their limbs. These devices, however, are for the most part quite different from the androids, or humanlike robots, and other robots of fiction. They rarely take human form, they perform only a limited number of set tasks, and they do not have minds of their own. In fact, it is often hard to distinguish between devices called robots and other modern automated systems.