Guest:  Dr. Ajay Kothari; Topics: "Railroad to Moon And Mars," rocket options, payloads, rocket fuel, lunar return to the surface, lava tubes, Mars, spaceflight costs, human spaceflight & 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:  Dr. Patrick (Paddy) Neumann;  Topics:  Advanced electric propulsion, efficient fuels, commercial applications, new physics and much 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: Michael Listner. Topics: Space law, ARM & property rights, SpaceX-AF litigation, RD-180 engine & more. Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, http://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.

Guest: Dr. John Hunter. Topics: Quicklaunch, LLC, hydrogen gas guns, propellant depots, Mars exploration. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog, http://thespaceshow.wordpress.com. Comments, questions, and any discussion must be relevant and applicable to Space Show programming. Transcripts of Space Show programs are not permitted without prior written consent from The Space Show (even if for personal use) & are a violation of the Space Show copyright.

Guest: Dave Ketchledge. Topics: "Rocket Science," nuclear power, space policy, space education. Dave Ketchledge was our guest to discuss his new book on CD, "Rocket Science." You can order this book and find out more about it by visiting his website, www.rocketengineer.bravehost.com/. During Segment 1, Dave talked about the need for space engineering and rocket education, how his book fills this need, and what it means for future engineers in all disciplines, not just those related to space.