Sir Richard likes to call his space adventures the beginning of a 'Space Airline'. One wonders about it's true potential. Boost to high altitudes with almost negligible speed relative to the Earth below is one thing. But it is not "space TRAVEL". Will this project be forever restricted to zero speed at start of descent? Are the working at all on the problems of orbital re-entry? I think this linked story is telling in that the author says to took a few moments to… (www.space.com) 更多...
