@chasingembers: lol, incredible.
My personal favorite is the "EATR" robot (you can't make stuff like this up). But don't worry, even though it is obviously the ideal solution to cleaning up a post-apocalyptic body-strewn landscape, DARPA promises that is "not their mission".
DARPA'S SELF-FEEDING SENTRY ROBOT IS NOT A MAN-EATER, COMPANY PROTESTS
"WE COMPLETELY UNDERSTAND THE PUBLIC'S CONCERN ABOUT FUTURISTIC ROBOTS FEEDING ON THE HUMAN POPULATION, BUT THAT IS NOT OUR MISSION," SAYS CEO
http://www.popsci.com/military-aviation-amp-space/article/2009-07/hungry-hungry-robot-not-man-eater-company-says