Engineers develop a ‘magnetic tentacle robot’ to pass into the narrow tubes of the lung

Engineers and scientists have developed proof of concept for a robot that can reach some of the smallest bronchial tubes in the lungs - to take tissue samples or deliver cancer therapy. Known as a magnetic tentacle robot, it measures just 2 millimeters in diameter, about twice the size of the tip of a ballpoint pen. Magnets on the outside of the patient will guide the tentacle robot into place.

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