US Secretary of Defense Chuck Hagel is briefed on the ATLAS ROBOT which is one of the most advanced humanoid robots ever built April 22, 2014, at the Pentagon by Defense Advanced Research Projects Agency(DARPA) personnel demonstrating five technologies under development. The six-foot-two, 330-pound ATLAS is capable of a range of natural movements and is equipped with an on-board real-time control computer, hydraulic pump and thermal management, Two arms, two legs, a torso and a head,  28 hydraulically actuated joints; Carnegie Robotics sensor head with LIDAR and stereo sensors; and two sets of hands, one provided by iRobot and one by Sandia National Labs.    AFP Photo/Paul J. Richards        (Photo credit should read PAUL J. RICHARDS/AFP via Getty Images)