Ever since the Challenger disaster in 1986, NASA has said that its space shuttles were magnificent machines, but conceded they were complicated and risky to fly. The shuttle Atlantis, which made a magnificent last launch today, proved the point again.
The launch almost didn't happen. NASA played chicken with Florida's famously temperamental weather – and won – but then had to stop the countdown with only 31 seconds to go because of a computer glitch. NASA resolved the problem with less...Full Story