Guest:  Dr. Wallace Tucker;  Topics: X-ray observatories, "Chandra's Cosmos" authored by our guest, related astronomy topics.  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. 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. Mike McCulloch; Topics:  EmDrive, new physics, new energy, galaxies, dark matter 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. 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 Brandenburg;  Topics: Gravity, electro-magnetism, unified theories, physics, advanced propulsion, & 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.  Dr. Michael McCulloch;  Topics: EmDrive, inertia, physics on the edge, thrust, NASA, 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. 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: Les Johnson. Topics: solar sail, space propulsion, interstellar space travel, environmental organizations. Les Johnson was our guest for this program for our discussion of solar sail technology and deployment, interstellar space travel and propulsion ideas, and the space advocacy community relationship with environmental organizations. Our first segment focused on solar sail technology and the efforts so far to have a successful solar sail demonstration flight.