Bomb disposal robot in actionA robot is a machine that carries out a series of actions, either on command or by being programmed beforehand. Some modern robots can perform tasks without human help, even if their surroundings change. Today, robots are used in manufacturing industries, space exploration, underwater archaeology, healthcare, bomb disposal and warfare. Drones and driverless cars are also types of robot.
Industrial robots in factories often carry out tasks that are time-consuming or dangerous for humans. Most are programmed to carry out the same task over and over again. These include welding together parts, painting, packaging or testing products.
Since 2012, the land speed record for a legged robot has been held by Cheetah, a four-footed robot that gallops along at 45 km/h (28 mph).
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