Orbital Arcologies: Mega-Cities in Space (Narration Only)

From O’Neill cylinders to spiral habitats, discover how humanity might build colossal, interconnected cities high above Earth. Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-the-economics-of-immortality Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36. Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: https://www.patreon.com/IsaacArthur Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur Facebook Group: https://www.facebook.com/groups/1583992725237264/ Reddit: https://www.reddit.com/r/IsaacArthur/ Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content. SFIA Discord Server: https://discord.gg/53GAShE Credits: Orbital Arcologies - Mega Cities in Space Written, Produced & Narrated by: Isaac Arthur Graphics: Bryan Versteeg, Jeremy Jozwik, Katie Byrne, Udo Schroeter Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .