using a railgun to launch scramjets Popular Science http://www.popsci.com/technolo... combining a Rail Gun with a Scramjet into space put satellites into orbit combining a Rail Gun with a Scramjet http://www.popsci...ft-orbit a rail gun and a scram jet another interesting one http://www.popsci.com... another interesting one rail guns and magnetic levitation http://www.popsci.com... rail guns and magnetic levitation http://www.popsci.com... popsci put satellites into orbit combining a Rail Gun with a Scramjet http://www.popsci...ft-orbit