SMRTR Science & EngineeringDec 14, 2025Futurism

Scientists Reveal Robot Small Enough to Travel Through Human Body

SMRTR summary

Scientists have created the first sub-millimeter robot smaller than a grain of salt that can sense, think, and act independently, potentially revolutionizing medical treatment by traveling through human bodies to repair tissues and deliver targeted therapy. The microrobot uses solar power to swim through fluids and can communicate with operators while making autonomous decisions based on environmental changes.

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