Kapil D. Katyal, an engineer at Johns Hopkins, demonstrates a robotic hand as the Defense Advanced Research Projects Agency, DARPA, displays the latest high-tech projects being developed for wounded ... more 
Kapil D. Katyal, an engineer at Johns Hopkins, demonstrates a robotic hand as the Defense Advanced Research Projects Agency, DARPA, displays the latest high-tech projects being developed for wounded soldiers, Tuesday, April 22, 2014, at the Pentagon. Defense Secretary Chuck Hagel examined the DARPA prototypes, including a full-sized robot named ATLAS. (AP Photo/J. Scott Applewhite) less 
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Associated Press | Photo By J. Scott Applewhite
Tue, Apr 22, 2014 3:39 PM EDT