Uploaded January 2026 | Updated September 2026, 2 weeks ago

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scitechdaily.com/microscopic-robots-that-swim-think-and-act-on-their-own

The robots, each smaller than a grain of salt, move by using an electrical field to manipulate the ions around them. They can sense temperatures, and could potentially advance medicine by monitoring the health of individual cells.

Credit: Bella Ciervo, Penn Engineering