Guest:  Stephanie Thomas who is the VP of Princeton Satellite Systems (PSS); Topics:  The PSS fusion research and Direct Fusion Propulsion, hybrid propulsion, different fusion systems, government and private sector fusion R&D, commercial fusion timeline estimate, fusion for space propulsion & more.

Guest:  Dr. Geoffrey Landis; Topics: Laser beam propulsion for interstellar flight, interstellar physics, solar system space settlement, 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: Les Johnson. Topics: "Going Interstellar: Build Starships Now!," and interstellar propulsion & advanced propulsion concepts. 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.

Guests: Dr. Eric Davis, Marc Millis. Topics: Propulsion science, propulsion physics, interstellar travel, antigravity, negative matter. Dr. Eric Davis and Marc Millis were our guests today to discuss their edited book, "Frontiers of Propulsion Science" published by AIAA.