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Kelvin F. Long, Sunday, 1-11-15 January 12, 2015

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Kelvin F. Long, Sunday, 1-11-15

http://archived.thespaceshow.com/shows/2391-BWB-2015-01-11.mp3

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Guest:  Kelvin F. Long.  Topics: Interstellar spaceflight, his book, “Beyond the Boundary.”  Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, https://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. We do not permit the commercial use of Space Show programs or any part thereof, nor do we permit editing, YouTube clips, or clips placed on other private channels & websites. Space Show programs can be quoted, but the quote must be cited or referenced using the proper citation format. Contact The Space Show for further information. In addition, please remember that your Amazon purchases can help support The Space Show/OGLF. See http://www.onegiantleapfoundation.org/amazon.htm.  For those listening to archives using live365.com and rating the programs, please email me as to why you assign a specific rating to the show. This will help me bring better programming to the audience.

We welcomed Kelvin F. Long to the show to discuss both his new book, “Beyond the Boundary” and interstellar human spaceflight.  During the first segment of our 1 hour 51 minute show, Mr. Long introduced his book which has been published on http://www.lulu.com by The Initiative for Interstellar Studies.  We discussed the book and many of the contributing authors, then I asked our guest if we might have interstellar starships next century.  Mr. Long said it was possible but also a very big problem so you do not want to miss this comprehensive discussion.  During this segment, we addressed warp drive, worm holes, negative energy, and public sector responsibility for interstellar spaceflight.  Kelvin provided us with some interesting history going back to the 1930s and the British Interplanetary Society (BIS) early work about rockets to the Moon.  Later, nuclear propulsion came up in terms of both fission and fusion technology.  As part of this discussion, Kelvin mentioned problems caused by the Outer Space Treaty. In addition, we discussed Project Dragonfly which is a laser sail competition, robotic payloads, Project Daedelus, and more.  Listener Helen asked our guest about the plausibility of a hibernation ship and BJohn asked about gravitational forces of the Sun and interstellar travel.  John called from Ft. Worth to seek a clarification about the Outer Space Treaty comments and to talk about NTG usage in space.

In the second segment, Kelvin talked about Project Icarus and directed us to http://www.icarusinterstellar.org.  We also talked about the growing interstellar community and some of those in different industry segments working for and supporting interstellar travel.  Tim called to ask about the fission fragment rocket and Mach’s thruster.  BJohn asked about ET civilizations and the Fermi Paradox.  Kelvin had much to say on this subject.  Near the program’s end, I asked Kelvin for an action plan. He proposed one covering three areas:  Education, Business, and New Technologies.  Make sure you here the details of his plan.  Our guest offered us powerful closing comments.

Please post your comments/questions on TSS blog.  You can reach Kelvin F. Long through me or the websites mentioned above plus his personal site, http://thestarshipman.com.

 

Les Johnson, Sunday, 7-8-12 July 9, 2012

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Les Johnson, Sunday, 7-8-12

http://archived.thespaceshow.com/shows/1809-BWB-2012-07-08.mp3

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, https://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.  We started our discussion by talking about interstellar travel, his new book, “Going Interstellar,” and advanced concepts, both for NASA and outside the NASA mindset.  Please remember that if you purchase this book from Amazon using this link, Amazon will make a contribution to The Space Show/OGLF:  www.amazon.com/Going-Interstellar-Johnson/dp/1451637780/ref=onegiantlea20. Les told us that both he and his co-editor, Jack McDevitt, had very little trouble getting the authors to contribute to the book which consists of a series of short stories from well known science fiction authors plus scientists.  There is a focus on the plausible and grounded physics so that the sci-fi is rooted in actual physics.  Les took several phone calls wanting to know about advanced concepts and propulsion at NASA and in general outside of NASA. We spoke about many concepts including solar sail technology, nuclear electric propulsion, the fission fragment rocket, faster than light (FTL) travel, antimatter, & the types of possible starships that might be used, plus the time intervals to travel from point A to point B.  We talked about the challenges from the laws of physics, political leadership, funding, & timelines. Les said that barring the discovery of new physics which he is not optimistic about at this time, he does not think FTL travel will be possible. When I asked about the discovery of Higgs-boson as an example of discovering new things, he talked about the discovery of that which is predictive as compared to something entirely new and unknown.  Other topics in this segment included artistic license in sci-fi writing, the role of physics & the imagination, & even questioning the possible role of ET in contributing to advanced propulsion concepts.

In our second segment, Marshall was our first caller & we talked about the French nuclear program, fusion, & the large ITER reactor program.  Les went over many of the fusion energy challenges & we talked about some fuel issues.  Les then told us about some of the future books he is working on & then he had more to say about solar sail technology which is his preference at this time for robotic interstellar missions.  We took a call about the huge Atlanta, GA sci-fi conference, DragonCon ( http://dragoncon.org) as Les will be a featured speaker there this year. As the program was ending, we talked about HSF NASA infrastructure, the Von Braun model for spaceflight, and more about the specific stories in his book.

If you have questions/comments for our guest, please post them on The Space Show blog.  Check out his websites at www.lesjohnsonauthor.com and www.amazon.com/Les-Johnson/e/B002OUOYZQ/ref=onegiantlea20.