http://www.bostondynamics.com/bd_index.html - Robotics Technology...
http://www.youtube.com/watch?v=a0NFrA-Nx4Y&feature=related
http://www.youtube.com/watch?v=kL_mwmsRKwo&feature=channel
http://www.theage.com.au/news/national/aussie-scientists-build-new-space-engine/2006/01/20/1137553746492.html - Plasma Engine...
http://en.wikipedia.org/wiki/Ion_thruster
http://en.wikipedia.org/wiki/Railgun - Rail Guns...
http://www.rexresearch.com/emships/empship.htm - silent engines...
http://www.youtube.com/watch?v=YZ1seG7MHZU&NR=1
