A bizarre 'magnetic tentacle robot' that can pass into the narrow tubes of the lungs to take tissue samples could help save lives, a new study shows.
Experts at the University of Leeds have created the device, which consists of external magnets and a 'tentacle' – a thin polymer tube containing metallic particles.
The so-called 'tentacle' is highly flexible and measures just 0.07 of an inch (2 mm) in diameter, about twice the size of the tip of a ballpoint pen.
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