Done Quote by Ian Thorpe
“Sometimes we question things that we have done in our lives but how many times do we question what we haven't done in someone else's.”
“Sometimes we question things that we have done in our lives but how many times do we question what we haven't done in someone else's.”
![“I've used the Phoenix Centrifuge to replicate what the body's going to go through on the flight up. I've also done some gravity tests with ZERO-G [a charter-flight service in Arlington, Va., that uses modified Boeing 727s to simulate weightlessness], which went great.” quote by Richard Branson](https://sms4smile.com/quotes/img-quotes/aa1/richard-branson-256_adventure_i-ve-used-the-phoenix-centrifuge-to-repl_903.jpg)
