loving gravity, how does it work?
http://video.nytimes.com/video/2010/06/24/science/1247468035233/interview-with-a-robot.html?ex=1294200000&en=2eb7abb3c9442dff&ei=5087&WT.mc_id=VI-D-I-NYT-MOD-MOD-M157-ROS-0710-HDR&WT.mc_ev=clickAlso an Interview with a robot.