Brendan Zabarauskas on Twitter: "These quadrocopters keep getting better: http://bit.ly/ecfmU5 Check out their YT channel for more feats of autonomy: http://bit.ly/escRrd" / Twitter

These quadrocopters keep getting better: http://bit.ly/ecfmU5 Check out their YT channel for more feats of autonomy: http://bit.ly/escRrd