Guest:  Dr. Philip Metzger;  Topics:  Starting space industrialization, establishing Cislunar transportation, lunar development, asteroid development, thinking big, Mars and more.

Guests:  Henry Vanderbilt and Michael Wallis; Topics:  The Space Access Society Conference in Freemont, CA from April 18-20, contents, logistics, networking, registration, hospitality, event focus and more.

Guest:  Dr. Roger Launius;  Topics:  Dr. Launius introduced us to his new book, "Space Exploration: From the Ancient World to the Extraterrestrial Future," which we discussed in detail, including many of the exceptional pictures in the book.

Guest:  John Bucknell;  Topics:  Turbo rocket concept design for a nuclear thermal rocket with a chemical rocket variant, nuclear propulsion, education, policy 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:  Dr. John Cramer; Topics: Multiple topics in physics, NIAC, accelerated wormholes, Big Bang sound, transactional interpretation of QM, Mach Thrusters, Oisin Bio anti-aging program.  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.