http://www.traxarmstrong.com/2011/10/02/the-world-as-it-will-be-by-2100/
http://spectrum.ieee.org/automaton/robotics/humanoids/stunning-video-of-boston-dynamics-petman-humanoid
http://www.popularmechanics.com/technology/gadgets/4298623
http://www.wired.com/wired/archive/12.07/race.html