Tiny robots powered by bubbles have successfully treated an infection in mice.
The achievement is another step forward in a field that has long shown promise, and is only now beginning to deliver. The therapeutic robots in this case were tiny spheres of magnesium and titanium coated with an antibacterial agent and about the width of a human hair. They were released into the stomach, where they swam around and delivered a drug to the target before dissolving.
Robots In the Stomach