Microrobots the size of a peppercorn deliver drugs only where . . . A microrobot the size of a pink peppercorn could one day swim painlessly through the tiniest blood vessels in our brains to deliver a life-saving drug to exactly where it’s needed — for example, where a clot has formed and is blocking the flow of blood Scientists from ETH Zurich, the Federal Institute of Technology in Zurich, are working on it, having perfected the microrobot at different
These tiny robots swim through your blood to fight strokes Health Diseases These tiny robots swim through your blood to fight strokes Magnets steer the injectable microrobots to destroy blood clots Andrew Paul Published Nov 13, 2025 3:32 PM EST