The questions below are linked to broadcast quality as well as on-line audio files.
Greg Zilliac, research scientist, NASA Ames Research Center Moffett Field, Calif.
Paraffin as a potential fuel for hybrid rocket engines. (41 sec)
Brian Cantwell, professor of aeronautics and astronautics, Stanford University
How long before hybrid rocket fuel could be used?(1:31 min)
Can hybrid rockets save on launch costs? (23 sec)
What is a hybrid rocket? (1:09 min)
Arif Karabeyogla, research associate, aeronautics and astronautics, Stanford University.
What is the regression rate of a fuel? (33 sec)
What is the history of hybrid rocket fuel? (54 sec)
How did you choose paraffin as a rocket fuel? (18 sec)