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World's Smallest Robot Unveiled: A Microscopic Marvel

12/26/2025

Summary

Story summary

Engineers from the University of Pennsylvania and the University of Michigan created the world's smallest programmable robot, measuring 200 by 300 micrometers.
This microrobot autonomously moves through fluid, powered by solar cells and utilizing an electrical field for propulsion without moving parts.
The breakthrough integrates a microscopic computer and a unique propulsion system, enabling potential synchronization with other robots for complex tasks.
Researchers plan to improve its memory for advanced autonomous functions, with applications in cellular health monitoring.
The study was published in Science Robotics.

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Story summary

Engineers from the University of Pennsylvania and the University of Michigan created the world's smallest programmable robot, measuring 200 by 300 micrometers.
This microrobot autonomously moves through fluid, powered by solar cells and utilizing an electrical field for propulsion without moving parts.
The breakthrough integrates a microscopic computer and a unique propulsion system, enabling potential synchronization with other robots for complex tasks.
Researchers plan to improve its memory for advanced autonomous functions, with applications in cellular health monitoring.
The study was published in Science Robotics.