Science & Futurism with Isaac Arthur cover art

Science & Futurism with Isaac Arthur

Science & Futurism with Isaac Arthur

By: Isaac Arthur
Listen for free

About this listen

Science & Futurism with Isaac Arthur explores humanity’s long-term future through space exploration, advanced technology, and big-picture science. Hosted by National Space Society President Isaac Arthur, each episode uses real science and careful speculation to examine space colonization, megastructures, artificial intelligence, post-scarcity economies, and the physics shaping civilization beyond Earth.

© All rights reserved Science
Episodes
  • Additive Manufacturing in Microgravity (Narration Only)

    Additive Manufacturing in Microgravity (Narration Only)
    Apr 16 2026

    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/isaacarthur

    Watch 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-world

    Check 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/53GAShE

    Credits:

    Additive Manufacturing in Microgravity

    Written, Produced & Narrated by: Isaac Arthur

    Select imagery/video supplied by Getty Images


    Chapters

    0:00 Intro

    2:10 Additive Manufacturing Is Not a Printer

    8:04 The Physics of Printing in Freefall

    12:23 Low Gravity, Regolith, and the “Messy Middle”

    17:01 CT Scan

    17:59 Printing at Scales Rockets Can’t Touch

    See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
    Show More Show Less
    24 mins
  • Additive Manufacturing in Microgravity

    Additive Manufacturing in Microgravity
    Apr 16 2026

    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/isaacarthur

    Watch 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-world

    Check 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/53GAShE

    Credits:

    Additive Manufacturing in Microgravity

    Written, Produced & Narrated by: Isaac Arthur

    Select imagery/video supplied by Getty Images


    Chapters

    0:00 Intro

    2:10 Additive Manufacturing Is Not a Printer

    8:04 The Physics of Printing in Freefall

    12:23 Low Gravity, Regolith, and the “Messy Middle”

    17:01 CT Scan

    17:59 Printing at Scales Rockets Can’t Touch



    See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
    Show More Show Less
    25 mins
  • The Fermi Paradox: Human Uniqueness and Oddity (Narration Only)

    The Fermi Paradox: Human Uniqueness and Oddity (Narration Only)
    Apr 12 2026

    Why does the galaxy seem silent? Maybe aliens aren’t rare—maybe humans are. We explore the strange mix of traits that turned one clever primate into a technological civilization, and whether our oddities might be the real Great Filter.

    Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

    Watch 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-world

    Check out Quinn's Ideas https://nebula.tv/quinnsideas?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/53GAShE

    Credits:

    The Fermi Paradox: Human Uniqueness and Oddity

    Written, Produced & Narrated by: Isaac Arthur

    Music Courtesy of Chris Zabriskie & Stellardrone

    Select imagery/video supplied by Getty Images

    See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
    Show More Show Less
    38 mins
All stars
Most relevant
I have been following for years amazing concepts certainly worth the time top marks great

excellent , the content will get you thinking

Something went wrong. Please try again in a few minutes.
Isaac has such a unique and inciteful way of thinking about and explaining some difficult concepts. His episode on the machine rebellion blew my mind. I've had so many, oh yeah, of course that makes sense moments listening to him over the years. Fantastic stuff!

The best science show on the Internet

Something went wrong. Please try again in a few minutes.
I follow this gentleman of YouTube and have today found him on Audible. Just the stuff to listen to when the children are absent and either painting models or building IKEA units :-)

Always a joy to listen to.

Something went wrong. Please try again in a few minutes.
I have been following SFIA for years now and the depth of coverage into topics which are frequently glossed over in modern science fiction (and science, for that matter) is just fantastic. Keep up the great work Isaac!

Pure Brilliance

Something went wrong. Please try again in a few minutes.