A 2011 CNN report describes the first microbots:
The Robot Dragonfly from TechJect Dragonfly on Vimeo.
SEE ALSO:Tiny Robots Combine Origami and Insects (news.discovery.com) SEE ALSO: Micro Petrol Engine (Interesting Engineering on Google+) SEE ALSO:Swarm of Microbots (sciencedaily.com)