Dec 19, 2024 10:09 pm
They are only 30 microns — thousands of a millimetre — in diameter, and can easily turn from solid to liquid and back.
They can survive stomach acid and would pass out of the body in urine.
A trial in mice has already helped to shrink the size of bladder tumours.
A test on humans is now hoped for in the long term.
https://www.the-sun.com/tech/13099433/tiny-robots-cancer-tumours-health/
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