Additive Manufacturing in Microgravity (Narration Only)
Additive Manufacturing in Microgravity (Narration Only)  
Podcast: Science & Futurism with Isaac Arthur
Published On: Thu Apr 16 2026
Description: The most expensive part of space travel isn’t the fuel—it’s the cargo. Additive manufacturing isn’t a sci-fi magic trick; it’s the key to building shipyards and telescopes at scales rockets were never meant to handle. We aren't just launching ships anymore; we're moving the factory to the void.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Settling Saturn's Rings: https://nebula.tv/videos/isaacarthur-settling-saturns-rings-exploring-the-origins-resources-and-future-habitats-of-a-halo-worldCheck out Practical Engineering: https://nebula.tv/videos/realengineering-the-anatomy-of-the-nokia-3310/?ref=isaacarthur🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 Visit our Website: http://www.isaacarthur.net❤️ 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 Community: https://www.reddit.com/r/IsaacArthur/🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur💬 SFIA Discord Server: https://discord.gg/53GAShECredits:Additive Manufacturing in MicrogravityWritten, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty ImagesChapters0:00 Intro2:10 Additive Manufacturing Is Not a Printer8:04 The Physics of Printing in Freefall12:23 Low Gravity, Regolith, and the “Messy Middle”17:01 CT Scan17:59 Printing at Scales Rockets Can’t TouchSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.