Playing Catch

Amazing Vid of Two Quadrocopter Drones Playing Catch With a Stick | Video | TheBlaze.com: "As Robohub puts it, the work done by the ETH Zurich masters thesis student Dario Brescianini, who works in the  Flying Machine Arena, tacked “two of the most challenging problems [...] with quadrocopters.” That is, balancing an inverted pendulum and juggling balls."