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Open Lines, Sunday, 11-29-15 November 30, 2015

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Open Lines, Sunday, 11-29-15

http://archived.thespaceshow.com/shows/2594-BWB-2015-11-29.mp3

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Guest Open Lines with Dr. David Livingston.  Topics: Dark Matter, advanced propulsion, nuclear, Vasimir, CO2 emissions, lunar habitats.  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.

Welcome to our Open Lines program.  In the first segment of our 1 hour 56 minute discussion, I mentioned the Dark Matter article from The Economist as my friend sent me the actual article.  You can download or read it here:  www.economist.com/news/science-and-technology/21678126-powerful-gamma-rays-centre-milky-way-look-signs-elusive.  John from Fremont called and mentioned the article, then he talked about advanced propulsion, nuclear propulsion, and Vasimir. He wondered if NASA was serious about nuclear propulsion despite a slight increase in the R&D budget for it. He also wanted Dr. Judy Curry to return to the show in light of the Paris Global Warming Conf. going on this week.  I brought up our recent show on NASA’s OCO-2 satellite with guest Dr. David Crisp.  John from Ft. Worth called to talk advanced propulsion and much about Vasimir.  He also brought up global warming and unfortunately I let that topic take up way too much time on the show today.  We also talked about Dr. Jim Dewar coming back to the show on Sunday, Dec. 6 to talk about nuclear propulsion and his book giveaway which I will announce on the show next week.

In the second segment, I described Dr. Dewar’s book which will be the subject of the fundraiser for OGLF.  Dr. Doug from S. California called in to tell us he was considering a Kickstarter project to build a large inflatable simulated lunar hab, probably in Arizona.  Doug described his project, his lunar hab simulation model, his expectations, his cough estimates, plus he wanted Space Show listener feedback on the idea.  Post your feedback on the blog or send it directly to his email address which he gave out on air, or better yet, do both as listeners would like to know the feedback given Doug on this project.  Don’t miss his call and the opportunity to learn about this potential crowdfunding project.  Rick then emailed us to remind us that PISCES in Hawaii was a lunar simulation program.  Before the show ended, Doug emailed in about advanced propulsion, suggesting we start on programs using existing rockets and of course the Falcon Heavy.  I read his note on air, seems to me he is making sense though to really have an efficient and growing space program I believe we need to implement some form of nuclear propulsion, hopefully sooner rather than later.  Adrian emailed us about Vasimir, CO2 atmospheric emissions, and the use of solar power to offset high electrical costs in places such as California.  John from Freemont had the last word with a shout out for Blue Origin and an article on the www.theverge.com with Charles Miller explaining the differences in what Blue Origin did as compared to SpaceX recovering the first stage of the Falcon 9.

Please post your comments/questions on The Space Show Blog.

Comments»

1. Jim Davis - December 1, 2015

Doug Plata inflatable habitat project is far too ambitious for the amounts of money mentioned on the show. He is essentially trying to redo the (failed) Biosphere project on a fraction of the budget. Even if he could somehow get the project built its usefulness as a means of influencing policy will be essentially zero without long term and extensive documentation, data taking, analysis, and publication, none of which comes cheaply. This was one of the failings of the Biosphere project – too much stunt, not nearly enough serious science.

Plata’s enthusiasm is commendable. His unwillingness to profit from previous relevant experience is not.

DougSpace - December 5, 2015

The UniHab concept is in no way similar to the Biosphere 2 project. That project attempted to create an entirely closed loop biological ecosystem with five biomes. As Jim says, it was a spectacular failure in that respect. The UniHab would make no attempt whatsoever at a close-loop biological system and I never stated in the show that it would. I did in passing mention that there would be an indoor greenhouse but its role would be primarily for the production of food for the crew. The processing of air and water would be a beneficial side effects. However, completely unlike Biosphere 2, the UniHab would take in external input of resources (ice on the moon and air & ice on Mars) for the production of water oxygen and plant food. I did explicitly state this in the show.


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