Apr 212016
 
Dream Big, Build Small to Reach the Stars

Well, that didn’t take as long we thought. A concept I first heard introduced at the 100-Year Starship symposium last fall proposed a stream of postage stamp-sized probes with light sails propelled by a 10-minute burst of laser beams that accelerates the probes to 20 percent light speed. At that speed, the probes could reach more »