This article is about mechanical robots. For software agents, see Bot. For other uses of the term, see Robot .
ASIMO (2000) at the Expo 2005, a bipedal humanoid robot.
Articulated welding robots used in a factory, a type of industrial robot.
The quadrupedal military robot Cheetah, an evolution of Big Dog (pictured), was clocked as the world’s fastest legged robot in 2012, beating the record set by an MIT bipedal robot in 1989.
A robot is a machine—especially one programmable by a computer— capable of carrying out a complex series of actions automatically. Robots can be guided by an external control device or the control may be embedded within.
Robots may be constructed to take on human form but most robots are machines designed to perform a task with no regard to how they look.