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Robots: Facts about machines that can walk, talk or do tasks that humans can't (or won't)

Robots are machines that can automatically perform both simple and complex actions. They are often programmed by a computer, but there's no single definition of a robot. Robots include a wide ...
Science Daily

Scientists create robots smaller than a grain of salt that can think

Researchers have created microscopic robots so small they’re barely visible, yet smart enough to sense, decide, and move completely on their own. Powered by light and equipped with tiny computers, ...