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Greg Meholic, Friday, 6-5-15 June 6, 2015

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Greg Meholic, Friday, 6-5-15

http://archived.thespaceshow.com/shows/2487-BWB-2015-06-05.mp3

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Guest:  Greg Meholic.  Topics:  Advanced propulsion concepts and more.  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 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 back to the show Greg Meholic to speak about advanced propulsion concepts, rocket reusability, and much more.  During the first segment of our 84 minute program, Mr. Meholic first defined what he meant by the term advanced propulsion.  Given this definition, we moved forward to discuss various concepts, propulsion methods, and propulsion research. During this segment, we talked about several propulsion technologies and Greg said thumbs up or thumbs down to their being advanced propulsion.  When it came to nuclear, Greg classified it as an alternative propulsion method, not an advanced propulsion.  Again, don’t miss his definition.  We talked near and intermediate term advanced propulsion concepts though it does not appear anything is really close at hand.  His timeline for a possible advanced propulsion technology was around 20 years.  He said not only do we need to understand the physics much better,  but the propulsion method much compete with current systems and produce benefits including cost benefits.  As far as choke points on advanced propulsion, he said understanding the fundamental physics involved was a big one.  We then talked about funding which is now mostly from companies and other private investor oriented sources.  I asked lots of questions about funding, especially how does one know when the point is reached to either kill the project or keep it going.  Don’t miss what he said about this.  Listeners also asked many questions.  In replying to one listener, he said it would be hard to beat chemical rockets to LEO but the door opens up BLEO though the Moon can be done with chemical rockets.  When asked about the anti-nuke movement and the impact on the nuclear rocket, he had some interesting observations, especially regarding the views of younger people.  When asked for leading advanced propulsion people and concepts, he mentioned former Space Show guest Dr. James Woodward and his work with Mach’s Principle several times during our show.  Greg was also asked about the work of Dr. Sonny White at JSC for warp drive and M drive.  Greg had much to say about his work including Q thruster and M drive.  John from Ft. Worth called in to talk about M Drive & Mach’s Principle along with gravity and magnetic frequencies.

In the second segment, Ashley sent in an email asking about going to the Moon and Mars for settlement and sustainability, wondering if advanced propulsion was needed for either location.  You might be surprised by Greg’s response to this question so listen carefully.  He did say there would be different requirements for the Moon and Mars.  With Mars, he also spoke about radiation and travel times.  Greg then had some things to say about artificial gravity.  One of his comments was that if we understood more of the physics, an eventual advanced propulsion system might enable an artificial gravity system without spinning or the need for tethers.  Brad in Tucson sent in a note asking about reusable first stage rocket launch systems.  Greg was delighted with the question as he works on such systems in his day job and he had much to say and offer about reusable first stage rockets.  He went through a brief summary of some of his work plus those attempting to design such systems including SpaceX.  I asked about a payload penalty with reusability.  Don’t miss his answer.  Our next caller was Marshall and he took us back to the artificial gravity discussion.  Marshal was asking questions about the amount of time spent in 1g as opposed to various fractional gravity loads.  As the program was ending, Greg received the final question which dealt with comparing the quality of government research to private sector research.  He reminded the listener that there very little to no government research funding for advanced propulsion, that it was almost all private sector funding.  He said the private funding was investor based so it comes with a commercial profit focus.

Please post your comments on The Space Show blog above.  Greg Meholic can be reached through me using drspace@thespaceshow.com.

Marc Millis, Sunday, 12-21-14 December 22, 2014

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Marc Millis, Sunday, 12-21-14

http://archived.thespaceshow.com/shows/2379-BWB-2014-12-21.mp3

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Guest:  Marc Millis.  Topics:  Advanced propulsion, interstellar flight & advanced physics leading to interstellar flight.  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 back Marc Millis to discuss the needed advanced physics for interstellar spaceflight plus his take on the new hit movie, “Interstellar.”  During our 90 minute program without a break, Marc debriefed us on his take on the science behind and involved with the new movie, “Interstellar.”  He said there were things about the science and the movie that he liked and that they did a good job with and other things that got a less than positive grade.  For example, he said the way the movie depicted the worm hole was nicely done & he explained why.  One area he did not like was the shuttle like craft being blasted to space on a Saturn V like vehicle but then going back and forth to the other planets.  He said this raised serious fuel issues & questions.  He also said the time dilation effects were confusing and inconsistent.  We talked about black holes, then Marc mentioned the Incessant Obsolescence Postulate which suggests that should a probe or occupied spaceship be launched to the stars, eventually a more modern one will pass it in the future enabling it to reach the destination a lot sooner than the initial ship.  Marc returned to discussing worm holes and the negative energy needed for them to be useful tools for interstellar spaceflight.  A listener from Boston asked about nuclear propulsion and if that was the advanced propulsion needed for interstellar flight.  Marc talked about both fission and fusion propulsion & their respective applicability & usefulness for interstellar flight.  SLS John called for an advanced physics discussion which included the inertial frame of reference and gravity discussion, Mach’s principle, the Equivalence principle, the Higgs particle and more.  This is a great discussion, don’t miss it.  Another listener asked Marc what the minimum advanced physics and propulsion would be to get started with an interstellar flight, then evolving to more advanced tools over time.  Marc outlined a plan he talked about earlier for doing small steps at a time as opposed to a giant leap needing far more advanced technology than what is available now or will be in the near future.  Another listener asked a similar question focusing on the minimum amount of knowledge needed to get started with interstellar spaceflight.  Pooley called in to talk about the Equivalence Principle.  Marc talked about the Tau Zero Foundation and its needs, and then Beth asked why we don’t focus on Mars or the clouds on Venus, both of which are more doable than interstellar flight.  Marc said we need to focus on both at the same time so don’t miss his excellent answer.

Please post your comments/questions on The Space Show blog above.  Marc can be reached through me.  To learn more, visit http://www.tauzero.aero.

John Batchelor Hotel Mars, Wednesday, 12-3-14 December 4, 2014

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John Batchelor Hotel Mars, Wednesday, 12-3-14

http://archived.thespaceshow.com/shows/2368-BWB-2014-12-03.mp3

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Guests: John Batchelor, Marc Millis, Dr. David Livingston. Topics: The movie Interstellar, wormholes & faster than light travel. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog. Comments, questions, and any discussion must be relevant and applicable to Space Show programming. Written 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 do not permit the commercial use of any Space Show program or part thereof, nor do we permit Space Show programs to be edited, placed on YouTube, or other private channels & websites. Space Show programs can be quoted in news articles, papers, academic & research work but must be cited or referenced in the proper citation format. Contact Dr. Livingston for questions about our copyright and trademark policies which we do enforce. This program is archived on The Space Show website, podcasting, and blog sites with permission from John Batchelor. Please visit the John Batchelor Show website for more information about this fine program, www.johnbatchelorshow.com. Remember, your Amazon Purchases Can Help Support The Space Show/OGLF (www.onegiantleapfoundation.org/amazon.htm). For those of you listening to archives on live365.com & rating the programs, please email me the reasons for your rating. This will definitely help improve Space Show programming. Thank you.

 

John Batchelor and I welcomed Marc Millis (www.tauzero.aero) to discuss the movie “Interstellar,” worm holes, black holes, event horizons, folding space, advanced propulsion, and the realities of faster than light travel. We talked about some of the representations in the movie plus John also brought in some details from the older movie from the late 1990s, “Event Horizon.” Marc explained the theory behind worm holes, the need for massive amounts of negative energy, and the challenge in keeping the worm hole opening open once the starship has entered the worm hole. Also discussed were some of the liberties taken with science in representing science issues in the movie.

 

Please post your comments/questions on TSS blog. You can email Mr. Batchelor or Marc Millis through me at drspace@thespaceshow.com.

 

 

Adam Crowl, Sunday, 10-6-13 October 7, 2013

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Adam Crowl, Sunday, 10-6-13

http://archived.thespaceshow.com/shows/2100-BWB-2013-10-06.mp3

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Guest:  Adam Crowl.  Topics:  Adam talks about his chapter, “Starship Pioneers,” in the Starship Century book plus interstellar travel possibilities & technologies.  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 www.onegiantleapfoundation.org/amazon.htm.

We welcomed Adam Crowl to the program for a one hour twenty minute discussion on interstellar travel, propulsion and technology potentials.  During the first segment, we talked about the book Starship Century and his chapter in it, “Starship Pioneers.” the early rocket pioneers and their thoughts on interstellar travel as the idea as it has has been with us and our imagination forever.  We talked about theoretical backing, actual capabilities, time lines, and more. Some of the technologies were addressed such as nuclear fusion plus some of the models he showed pictures of in his chapter in the book.  We also talked about solar sail and then I asked about human flights to Mars and the Moon as stepping stones for interstellar flight.  Antigravity was discussed along with antimatter, lasers, proton beams, and more. Our callers asked about these futuristic technologies and even the types of interstellar missions that could unfold down the road.

In the second segment, faster than light travel came up with Dr. Harold (Sonny) White and his work.  More calls came in regarding gravitational theory, particle physics, and beam propulsion.  Another John called in wondering about the accuracy of today’s interstellar speculation.  Multi-generational starships were discussed plus Adam made a point saying the profits from the book go to support interstellar research.  Check this out at the book’s website, www.starshipcentury.com.  As the program was ending, Randy sent in a note about the inspirational and motivational value of interstellar travel discussions.

Post your comments/questions on The Space Show blog above.  You can contact our guest through his website and read his blog at www.crowlspace.com.

 

 

Dr. James (Jim) Benford, Friday, 9-27-13 September 28, 2013

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Dr. James (Jim) Benford, Friday, 9-27-13

http://archived.thespaceshow.com/shows/2094-BWB-2013-09-27.mp3

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Guest:  Dr. James (Jim) Benford.  Topics:  Sailships, “Starship Century,” interstellar travel, Fermi Paradox & more.  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 www.onegiantleapfoundation.org/amazon.htm.

We welcomed Dr. James (Jim) Benford to the program to discuss his book (he was the co-editor) “Starship Century,” and his chapter, Sailships, plus his editing of the book.  During our first segment of this 1 hour 26 minute discussion, Dr. Benford introduced us to Microwave Power Beaming, sailships, solar sails, terrestrial beamed power, in-space beamed power and more.  We talked about microwave beaming as a possible space weapon, the storage of beamed energy, and the use of the millimeter band width for beamed power.  Also in our first segment, we talked about possible time lines for development for interstellar travel.  In this discussion, our guest used Alpha Centauri B as a reference point.  Propulsion in general was discussed with a thumbs down for chemical rockets for doing anything like what we were talking about in this segment.  Listeners asked questions as to why interstellar travel was important at this time given it is so far into the future.

In our second segment, we talked about his goals in editing the book and the fact that if it is bought through the book’s website, www.starshipcentury.com, the proceeds are donated to legitimate interstellar organizations and research.   Jim listed several of the organizations being considered for receiving such proceeds and interestingly, most if not all have been guests on The Space Show over the years.  Dr. Benford mentioned conferences and the Arthur C. Clarke Center at UCSD.  We then talked about the Fermi Paradox and factor L as to the probabilities of finding intelligent life someplace other than Earth.  Faster Than Light Travel was a discussion topic, Jim was asked what his non-space friends thought of his microwave beam power work and interstellar travel.  A listener asked about students in these subject, particularly in the UK and the US.

If you have comments or questions, post them on The Space Show blog.  You can reach Dr. Benford through his website, www.jamesbenford.com.

Dr. John Cramer, Friday, 9-20-13 September 21, 2013

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Dr. John Cramer, Friday, 9-20-13

http://archived.thespaceshow.com/shows/2089-BWB-2013-09-20.mp3

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Guest:  Dr. John Cramer.  Topics:  Dr. Cramer’s chapter in “Starship Century,” interstellar travel, physics.  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 www.onegiantleapfoundation.org/amazon.htm.

We welcomed Dr. John Cramer to the program to discuss his chapter in the book “Starship Century.”  Dr. Cramer titled his chapter Exotic Technologies for Interstellar Travel.  Remember, if you purchase this book using The Space Show/OGLF Amazon portal, Amazon will contribute to The Space Show.  Instructions for doing this are in all archived program summaries on our website and our blog.  Dr. Cramer’s website is http://faculty.washington.edu/jcramer.  During the first segment of our 90 minute discussion, Dr. Cramer talked about his chapter, interstellar spaceflight, exotic technologies, and the Quantum Grounded Theory.  He mentioned James Woodward and his work with Mach’s Principle.  I also asked him about the level of interest expressed by his students in interstellar travel and we talked about timelines for realizing interstellar travel.  Our guest said we needed breakthroughs and the progress in 100 years would depend on realizing key breakthroughs.  Dr. Cramer suggested that our challenges were still in the fields of theory as we needed much better understandings of lots of things associated with interstellar travel.  The issue of space settlement came up in terms of Mars and deep space.  We also talked about worm holes but we spent more time on that subject in the second segment.  I asked if finding the Higgs-Boson was helpful. Dr. Cramer had much to say on this as well as on the LHC and colliders in general.  Dr. Cramer was asked about his science fiction works and his writing for Analog.  We also talked about the impact of our having cancelled our collider to be built in Texas and the impact of that decision on American science for decades following that political decision.

In the second segment, Dr. Cramer went into more detail about worm holes, including an explanation of the “back reaction” issue.  Later, we talked about timelines, budgets and our political funding process.  Near the end of the program, NASA was discussed as was our reliance on large rockets.  Dr. Cramer said we would need to get away from rockets and propulsion thrust if we were to do anything with interstellar travel or deep space.  At the end, he was asked about ET based on the comments Dr. Davies made on his interview earlier this week.

Please post your comments/questions on The Space Show blog URL above.  You can email Dr. Cramer through his website.

Dr. Paul Davies, Monday, 9-16-13 September 16, 2013

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Dr. Paul Davies, Monday, 9-16-13

http://archived.thespaceshow.com/shows/2087-BWB-2013-09-16.mp3

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Guest:  Dr. Paul Davies.  Topics:  Interstellar travel, microbiology, cosmology, Mars, and much more.  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 www.onegiantleapfoundation.org/amazon.htm.

We welcomed Dr. Paul Davies to this 65 minute discussion about his contribution to the excellent book, “Starship Century: Toward the Grandest Horizon.” Other topics included interstellar travel, microbiology, human spaceflight, Mars, ET and much more.  We started our discussion with his Afterword in the “Starship Century” book and I asked him about his comments regarding microbes.  One quickly learns from reading his Afterword that it is not the propulsion and engineering that presents the greatest challenge to interstellar travel but what happens to essential microbes needed for life in microgravity and the space environment.  We learned that even in LEO such microbes can transform and become toxic to life.  This is a fascinating microbiology discussion regarding deep space missions to Mars, the Moon, and long interstellar travel. Don’t miss what Dr. Davies said about microbes as it opens up an entirely new study in human factors for human spaceflight.  Other issues we talked about included planetary contamination, microbial ecosystems, figuring out the minimal needed for sustainability regarding the good microbial environment.  Also, what microbes are crucial and those that might be irrelevant for the spaceflight passengers as well as for animals and plants needed for sustaining the mission.  Dr. Davies was asked that given microbiology being a bigger challenge than propulsion and engineering, were we close to having propulsion and engineering for interstellar travel.  You will appreciate his very “witty” answer to this listener’s question.  Faster than light travel came up and so did the work being done around the Alcubierre Drive.  Dr. Davies had much to say about faster than light travel, the speed of light, physics, and related disciplines.  In this discussion, we also talked about both black holes and worm holes.  Later, we talked about the possibility of life in the solar system other than on Earth.  You might be surprised by some of what Dr. Davies said, including the probabilities that Earth might have been visited over 100 million years ago.  Don’t jump to conclusions, listen to the discussion first.  Helen of Atlanta asked why bother with interstellar travel when we can’t even return to the Moon. Again, another terrific response by our guest.  More came up on the Fermi Paradox, the need to stay grounded in fundamental science but to have a vision and healthy skepticism.  Viking and Gil Levin came up regarding the possibility of life on Mars and the reluctance of NASA to do biological experiments regarding the possibility of life on Mars.  A listener asked our guest about ET conspiracy theories and government cover-ups.  In closing, Dr. Davies reminded us to have and conduct healthy speculation which means always staying in tune with fundamental science.  That is what separates speculation from fantasy, Kool Aid, and La La thinking.  As the program was ending, we talked some about his work in cancer research. Make sure you visit his website, http://cosmos.asu.edu.

Please post your comments/questions on The Space Show blog.  You can reach Dr. Davies through his website or me.

Dr. Richard Obousy, Dr. Eric Davis, Dr. Harold Sonny White, Friday, 1-4-13 January 5, 2013

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Dr. Richard Obousy, Dr. Eric Davis, Dr. Harold Sonny White, Friday, 1-4-13

http://archived.thespaceshow.com/shows/1923-BWB-2013-01-04.mp3

 

Guests: Dr. Richard Obousy, Dr. Eric Davis, Dr. Harold Sonny White.  Topics:  Faster Than Light (FTL) Travel, Warp Drive, Interstellar Travel. 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.  We welcomed our three guests, Drs. Obousy, Davis, and White to the program to discuss FTL travel, warp drive, and interstellar flight.  More information is available at the Icarus Interstellar website, http://www.icarusinterstellar.org.  We did not take a break during our program.  Also, at times our discussion was technical and scientific. I looked up many terms & used my search engine frequently during the discussion given the advanced nature of the subject and our discussion.  Don’t be shy about looking up that which you may not understand or know about. I promise, if you do it will be well worth your time.  We started with an introduction to Icarus Interstellar, FTL travel, and why interstellar propulsion & travel is important.  Our guests then suggested the two most common approaches to FTL travel included warp drive and worm holes.  For most of the program, we focused on the characteristics and research around warp drive.  Our guests explained their research, including how they were able to develop the theories that reduced the amount of energy needed for warp drive from Jupiter size energy requirements to energy requirements representing the approximate mass of Voyager 1.  Our discussion addressed the Miguel Alcubierre warp drive in light of the advanced work by Dr. White and others.  The concept of the McMonigal Fatal Flaw was addressed with our guests explaining why it was not applicable.  The workings of the warp drive were explained and though the discussion was heavy in physics, I urge you to take the time and embrace & learn about the advanced theoretical physics subjects discussed by our guests.  Later, a listener asked about the use of a sun gravitational lens telescope at a specific AU from the sun as perhaps an alternative to interstellar flight.  As you will hear, such a device would likely be a good tool enhancing FTL travel, not replacing it.  As our discussion progressed, or guests rebutted many of the warp drive criticisms. Near the end of the program, we talked about what was needed to go from the lab and theory to small scale demo experiments to prove out the concepts.  Our guests referenced to the Chicago Pile-1(CP-1) 1942 nuclear experiment & the subsequent step by step evolution of nuclear technology.  Our guests talked about starting small with a demo proof and evolving upwards with more and more discovery, technology, and engineering.  Another example cited for the typical development path included the discovery of the electron in 1897 followed by the discovery of the proton in 1917, and the discovery of the neutron in 1932. Throughout our discussion, our guests put forth compelling reasons why we should be developing FTL travel and interstellar spaceflight.  Their respective concluding comments reinforced the importance and why of our being interested in FTL and exotic concepts.

Please post your comments/questions on The Space Show blog per above.  If you want to email our guests, you can do so through me.

Open Lines, Tuesday, 12-6-11 December 7, 2011

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Open Lines, Tuesday, 12-6-11

http://archived.thespaceshow.com/shows/1667-BWB-2011-12-06.mp3

Guest:  Open Lines with Dr. David Livingston.  Topics: Bone loss issues, Droid podcast suggestions, bisphosphonates in space, reusability, flyback boosters.  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.  The Space Show/OGLF is now engaged in its annual fundraising drive. Please see & act upon our appeal at https://thespaceshow.wordpress.com/2011/11/21/space-show-2011-fundraising-campaign. During the announcement part of the program at the beginning, I talked about another Droid podcast possible solution from a listener using the DoggCatcher app. I also mentioned recent general press articles about success being claimed with the use of bisphosphonates to stop bone loss in space: www.dispatch.com/content/stories/national_world/2011/12/06/osteoporosis-drugs-helped-astronauts-scientists-say.html.  As mentioned on the air, I’m on the nationally syndicated radio show, The John Batchelor Show, tonight, Wednesday, Dec. 7, 6:30-6:45 PM PST discussing this as co-host with John.  The expert guest is Dr. John Jurist, a lifetime member of the aerospace medical association and one of the early researchers on this issue back when NASA was starting such research.  You can hear us live at www.wabcradio.com/article.asp?id=531472.  If you miss the live stream, the segment will be archived the next day at John’s website, http://johnbatchelorshow.com.  For your information, I typically do the Wednesday evening segment at either 6:30 PM or at 6:45 PM PST.  I am often on air alone with John but sometimes I bring in an expert to discuss a specific topic such as tonight with Dr. Jurist.  I also went over my December schedule for programming as my travel plans to Los Angeles are now known as are Space Show plans for the balance of the year.  Our first caller was Jeff from the UK who wanted to talk mostly about the new Earth-like planet that Kepler has found, the Kepler-22b.  We also talked about faster than light travel, the recent neutrino experiment, photons, and more.  Charles was the next caller and we talked more about the new planet found by the Kepler Space Telescope. Charles mentioned the two planet finding methods, the transit and the wobble methods.  He also mentioned Armadillo Aerospace and their recent success with the STIGA A launch vehicle. You can read about it and see the video at www.rlvnews.com.  Scroll down to this headline:  STIG A – another video + recovery info.  In the next segment, Tim called in with questions about the Air Force contract for the flyback booster which went to Lockheed and will use Spaceport America. This prompted quite a discussion on reusability, flyback boosters and their payload penalties, ocean recovery for the first stage, and expendable, renewable, and disposable rockets.  Our caller also inquired about nuclear power and the plan to do a ballot initiative in California to shut down the California nuclear power plants though they generate 16% of California’s electrical power.  John from Atlanta called in to talk about ocean recovery, the faster than light experiment and his thoughts that tachyons provide a reasonable explanation for the faster than light experiment.  During the program, we also discussed on orbit repair for both LEO and GEO satellites and what the future might hold for such efforts.  Please post your comments/questions on The Space Show blog URL above.

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