Zip, bam, boom, pow, NASA rail gun scramjet

December 21, 2010 · Posted in innovation ·  

NASA is working on a cheaper method to launch spacecrafts using train tracks, a rail gun and a scramjet.
http://gizmodo.com/5714938/nasa-engineers-propose-combining-a-rail-gun-and-a-scramjet-to-fire-spacecraft-into-orbit?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+gizmodo%2Ffull+%28Gizmodo%29

This approach uses the Multiple Alternative to lower costs by using existing technologies instead of a Single new technology.