CNet - The quadcopters are able to flip over and maintain flight. More amazing (unnerving?) is their operation in formation. Based on commands, 16 quadcopters change direction, land, navigate past obstacles, and even fly in a figure-eight formation.
X-RHex robot
X-RHex has been shown to be reliable and durable enough to support extensive testing in rough terrains, such as in rugged parts of the Mojave Desert.
If you liked this article, please give it a quick review on ycombinator or StumbleUpon. Thanks