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Researchers at The Chinese University of Hong Kong have developed a soft magnetic robot made from slime that could one day help doctors retrieve swallowed objects without invasive surgery. The robot contains no motors or electronics. Instead, it is guided by external magnetic fields, allowing it to squeeze through openings as small as 1.5 mm, stiffen when needed, self-heal after being cut, and even conduct electricity to help repair damaged circuits. The breakthrough demonstrates how soft robotics could make future medical procedures safer and less invasive while opening new possibilities for biomedical applications. Source: The Chinese University of Hong Kong #robotics #medical #technology #innovation #Science