The world’s smallest pacemaker is injectable and powered by light

Engadget
By Lawrence BonkApr 3, 2025, 11:33 am89 pts
Engineers at Northwestern University have developed the world’s smallest pacemaker . It’s so small, as a matter of fact, that it fits inside the tip of a syringe. This means that it’s injectable, so patients could potentially avoid a painful surgery. It safely dissolves into the bloodstream after a time,…

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