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Magnetic Robot Swarms Break Limits, Allowing Individual Control Inside The Human Body 😱🤖

What if thousands of microscopic robots could travel inside the human body—and doctors could control each one individually using invisible magnetic forces?
This futuristic idea is now real.
Researchers from Philips Innovative Technologies, Germany, have achieved a major scientific breakthrough by developing a method to magnetically control individual members of a robot swarm. Until now, magnetic fields affected all microrobots in the same way, forcing them to move together. This limitation made precise control nearly impossible.
The new technique uses strong magnetic field gradients to lock most robots in place, while only robots inside a small targeted zone remain active. A weaker rotating magnetic field then selectively moves those chosen micromachines with millimeter-level precision—inside spaces large enough for real medical applications.
This discovery could transform minimally invasive medicine. Tiny helical robots could be guided directly to tumors, deliver drugs without harming healthy tissue, form adaptive medical implants, or even improve radiation therapy by activating only specific treatment zones.
No batteries. No wires. No incisions.
Just intelligent control through magnetism.
Paper: Spatially Selective Remote Magnetic Actuation of Identical Helical Micromachines
Authors: Jürgen Rahmer, Christian Stehning, Bernhard Gleich
Journal: Science Robotics
DOI: 10.1126/scirobotics.aal2845
Provided by: Tech Xplore (Bob Yirka)


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