Richard Branson has formed Virgin Galactic and is now taking reservations aboard the maiden voyage of SpaceShipOne. Would you spend the estimated $200,000 for a 45-minute trip into space? Neil and Lynne also discuss the mechanics of sex in space.
Robert K. Weiss, President and Vice Chairman of the X Prize Foundation, film and television producer.
Charles Simonyi, space tourist and Microsoft co-founder.
Bill Nye, engineer, science educator, and television host.