These awesome flying robots are taking unmanned flight in new directions. Watch them hover like a bee, flap like a bird and bounce like a ball.
Photos and videos, courtesy: Raymond Oung; Carolina Flores; Institute for Dynamic Systems and Control, ETH Zurich; Laboratory of Intelligent systems, EPF Lausanne; Harvard University; AeroVironment Inc; David Lentink; Prox Dynamics.
Produced by Mark Tutton, Matthew Ponsford and Jim Stenman. Designed by Ines Torre. Built by Nav Garcha.