Network World’s John Cox writes:
In the not-too-distant future, your surgeon may be someone who — instead of wielding a scalpel — injects you with a flock of dust-sized wireless devices that grab and remove infected or damaged tissue in response to chemical signals.
These microgrippers, less than 1/254th of an inch (1/10th of a millimeter) in diameter, have been developed by researchers at John Hopkins University, and tested in biopsy-like procedures with animal tissue. One writer described them as working like a hand: a “palm” surrounded by six “fingers” that can open and close around an object.
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