The idea of the space elevator has been around for over a century. But in recent years teams of scientists and engineers have been actively working on the concept. So could the elevator become a reality? Or is it still a case of science-fiction?
http://www.abc.net.au/rn/futuretense/stories/2010/2977165.htm
40 years ago today, the Apollo 11 mission successfully completed the first lunar landing. This is the audio from 102 hours and 11 minutes into the mission, just prior to touchdown.
Charlie Duke in Houston talks to Michael Collins in the command module and Neil Armstrong and Buzz Aldrin in the lunar lander.
The full transcript is here: http://history.nasa.gov/alsj/a11/a11.landing.html