Micro-robots operate on a scale from a few microns to several millimeters. Untethered micro devices utilize magnetic fields or acoustic waves for precise propulsion. Biodegradable gels and ...

Engineers have designed a tiny, low-weight and cordless robot that can act independently and with ultra-high precision in all directions in some of the most extreme conditions. The robot, which the ...

Researchers introduces the first toroidal, light-driven micro-robot that can move autonomously in viscous liquids, such as mucus. This innovation marks a major step forward in developing micro-robots ...