Guest:  Dr. Christopher Morrison; Topics:  Space radiation, lifetime radiation limitations, legal limits, rodent GCR and radiation experimentation, terrestrial radiation simulations, space nuclear power & propulsion, supercooling conductivity.

Guest:  Al Globus; Topics:  Al's new book "The High Frontier: An Easier Way," eLEO low radiation orbits, centrifuge spin rates for humans, life support, commercial markets and more.  Note that Al's co-author, Tom Marotta, call in on the toll free line in both the first and second segment to participate and add to our discussion.

Guest:  John Bucknell; Topics:  Rockets, SpaceX, Mars, Moon, nuclear propulsion, orbiting lunar habitat, and the Nuclear Thermal Turbo Rocket plus more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.  Comments and questions should be relevant to the specific Space Show program.

Guests:  Ted Spitzmiller; Dr. John Jurist as co-host:  Topics:  Ted's new book "The History Of Human Space Flight," HSF issues and more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.

Guest:  Peter Antoinette;  Topics:  Carbon nanotubes, the manufacturing process, uses, commercialization, space defense, and more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.