A robot is a programmable machine that senses its surroundings, processes information, and performs physical actions. Its practical value lies in carrying out defined tasks reliably, not in possessing human-like intelligence. section 9.2
The word gained prominence through Karel Čapek’s 1920 play R.U.R., from the Czech robota, meaning forced labor. Modern robots perform labor, but remain specialized rather than android-like general workers. section 9.2
Typical capabilities include:
- Manipulating physical objects with motors and mechanical arms. section 9.2
- Using sensors to detect features such as light, shadows, or object position. section 9.2
- Following computer programs in controlled industrial or laboratory settings. section 9.2
Industrial robotics
General Motors introduced a mechanical arm in 1961 to manipulate hot-cast metal components, later extending robotics to welding and painting. These systems succeeded because their environments and tasks were carefully controlled. section 9.2
Robotics therefore combines sensing, computation, and physical action while depending heavily on task boundaries. A robot may excel at a narrowly specified operation without approaching the flexible abilities imagined in science fiction. section 9.2
