A Colorado startup wants to build supersonic passenger planes faster than Concorde but with fares a quarter of the price -- and Virgin Galactic has just got on board.
원문출처 : http://rss.cnn.com/c/35494/f/676993/s/4e7dba1d/sc/28/l/0Ledition0Bcnn0N0C20A160C0A30C240Caviation0Cboom0Esupersonic0Eplane0Evirgin0Espace0Ecompany0Cindex0Bhtml0Deref0Fedition/story01.htm
원문출처 : http://rss.cnn.com/c/35494/f/676993/s/4e7dba1d/sc/28/l/0Ledition0Bcnn0N0C20A160C0A30C240Caviation0Cboom0Esupersonic0Eplane0Evirgin0Espace0Ecompany0Cindex0Bhtml0Deref0Fedition/story01.htm