The soccer nanobots, operated by human players via remote-controlled electric and magnetic fields, push tiny discs around on a 2.5 x 2.5 mm playing field. The human players view the competition through an optical microscope.
The competition consists of three events:
* Two-millimeter dash — the nanobots race across the playing field as fast as possible
* Obstacle course — the nanobots must successfully traverse a path blocked by “polymer post” defenders
* Ball handling drill — the nanobots dribble as many “nanoballs” as possible into the goal within 3 minutes
It’s kinda cool that they’ve gotten things this reproducible, but I think they should really be controlled by computer programs.