Personnel from the British Army's Yorkshire Regiment carry out extreme winter training in snowy Estonia!
Quadrocopter Pole Acrobatics
This video shows two quadrocopters capable of not only balancing an inverted pendulum, but also of launching it off the vehicle and catching it again. By Dario Brescianini, Markus Hehn, and Raffaello D'Andrea. IDSC, ETH Zurich, Switzerland For further information, please visit http://www.flyingmachinearena.org