If people are interested in looking at more cool content on the subject, I recommend you looking at:

- http://drc.mit.edu/technology/

- http://www.cs.cmu.edu/~cga/drc/

- https://github.com/RobotLocomotion/drake/wiki

- http://robots.ihmc.us/humanoid-control-workshop/videos

I attended WPI during 2013-2014, and worked with Atlas. I am very excited and impressed by Boston Dynamics. (And hopefully start working on the field again.)