Microbots

Smaller and more of them to swarm to a problem.

The Microbots Are on Their Way   By The New York Times

A researcher at the University of Pennsylvania has developed tiny robots.

Credit: Marc Miskin/University of Pennsylvania and Cornell University

Marc Miskin, a researcher at the University of Pennsylvania, has developed tiny robots, thousands of which can fit side by side on a single silicon wafer.

The microbots, which are each about 100 atoms thick, rely on a technique used to put layers of platinum and titanium on a silicon wafer.  ....  "