Measuring just 200 by 300 by 50 micrometers — smaller than a grain of salt and roughly the size of a single-celled paramecium ...

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, the ...

Scientists have built microscopic, light-powered robots that can think, swim, and operate independently at the scale of ...

Robots need to move, right? That’s where actuators and motors come in. Think of them as the muscles and joints of a robot.