Designing a Starship Part One : Gravity

Part Two, Travel : https://www.youtube.com/watch?v=uqmb0GtpwmE Part Three, Available Technology : https://www.youtube.com/watch?v=6xBHL5BRnlI Part Four, Encounters in Space : https://www.youtube.com/watch?v=aIuY9sfhIOI Sales page for the Original Zin Kindle eBook : https://www.amazon.com/gp/produ...

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