2 ms·
http://www.darpa.mil/NewsEvents/Releases/2012/07/12.aspx http://www.darpa.mil/NewsEvents/Releases/2012/07/12.aspx (source)
by ximeng 14y ago
http://www.darpa.mil/NewsEvents/Releases/2012/07/12.aspx http://www.darpa.mil/NewsEvents/Releases/2012/07/12.aspx
(source)