The fascinating success of Burt Rutan's SpaceShipOne ["Coolest Inventions 2004," Dec. 6] opens a brilliantly lit pathway out of the gloom and disappointment in which man has been stranded since the Challenger and Columbia space-shuttle disasters. SpaceShipOne avoids using brutal force to leave Earth and re-enter the atmosphere, thereby minimizing risks to itself and its crew. SpaceShipOne works its way into space and is the most human-friendly space vehicle man has yet devised.
Colombo, Sri Lanka
With his innovative SpaceShipOne, Burt Rutan hit the...