Science & Futurism with Isaac Arthur

Isaac Arthur
  • 4.9 (645)
  • SCIENCE
  • UPDATED DAILY

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.

  1. Nomadic Aliens – Cultures That Wander the Galaxy

    1D AGO

    Nomadic Aliens – Cultures That Wander the Galaxy

    What if the oldest aliens in the galaxy are not empires, but nomads? We explore wandering fleets, deep-time survival, and civilizations without a homeworld. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age Check out Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?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: Nomadic Aliens – Cultures That Wander the Galaxy Written, Produced & Narrated by: Isaac Arthur Music Courtesy of Chris Zabriskie & Stellardrone Select imagery/video supplied by Getty Images Chapters 0:00 Intro 2:44 The Ship Is the World 10:49 The Nomadic Group Is Not the Species 19:15 Accretion, Not Assimilation 25:53 When Nomads Stop, and When They Refuse To 28:32 Gods & Monsters 29:32 The Oldest Civilizations May Be the Ones Still Moving See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

    35 min
  2. Nomadic Aliens – Cultures That Wander the Galaxy (Narration Only)

    1D AGO

    Nomadic Aliens – Cultures That Wander the Galaxy (Narration Only)

    What if the oldest aliens in the galaxy are not empires, but nomads? We explore wandering fleets, deep-time survival, and civilizations without a homeworld. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age Check out Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?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: Nomadic Aliens – Cultures That Wander the Galaxy Written, Produced & Narrated by: Isaac Arthur Music Courtesy of Chris Zabriskie & Stellardrone Select imagery/video supplied by Getty Images Chapters 0:00 Intro 2:44 The Ship Is the World 10:49 The Nomadic Group Is Not the Species 19:15 Accretion, Not Assimilation 25:53 When Nomads Stop, and When They Refuse To 28:32 Gods & Monsters 29:32 The Oldest Civilizations May Be the Ones Still Moving See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

    35 min
  3. The Tokamak Problem: Can We Ever Make Fusion Practical?

    3D AGO

    The Tokamak Problem: Can We Ever Make Fusion Practical?

    Can nuclear fusion ever be practical? We explore tokamaks, plasma confinement, energy balance, and the real engineering challenges behind building a working fusion reactor—and whether fusion power will ever scale. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age Check out Tech Altar: https://nebula.tv/techaltar?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 Tokamak Problem: Can We Ever Make Fusion Practical? Written, Produced & Narrated by: Isaac Arthur 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.

    34 min
  4. The Tokamak Problem: Can We Ever Make Fusion Practical? (Narration Only)

    3D AGO

    The Tokamak Problem: Can We Ever Make Fusion Practical? (Narration Only)

    Can nuclear fusion ever be practical? We explore tokamaks, plasma confinement, energy balance, and the real engineering challenges behind building a working fusion reactor—and whether fusion power will ever scale. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age Check out Tech Altar: https://nebula.tv/techaltar?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 Tokamak Problem: Can We Ever Make Fusion Practical? Written, Produced & Narrated by: Isaac Arthur 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.

    34 min
  5. Genetic Bottlenecks – How Few People Can Start a World? Or Restart One?

    MAY 3

    Genetic Bottlenecks – How Few People Can Start a World? Or Restart One?

    When disaster leaves only a handful, can a civilization restart? We explore genetic bottlenecks, colony failure, and the limits of survival. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age Check out Practical Engineering: https://nebula.tv/practicalconstruction?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: Genetic Bottlenecks – How Few People Can Start a World? Or Restart One? Written, Produced & Narrated by: Isaac Arthur Select imagery/video supplied by Getty Images Chapters 0:00 Intro 10:56 Restoration 19:26 Practical Engineering See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

    24 min
  6. Genetic Bottlenecks – How Few People Can Start a World? Or Restart One? (Narration Only)

    MAY 3

    Genetic Bottlenecks – How Few People Can Start a World? Or Restart One? (Narration Only)

    When disaster leaves only a handful, can a civilization restart? We explore genetic bottlenecks, colony failure, and the limits of survival. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age Check out Practical Engineering: https://nebula.tv/practicalconstruction?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: Genetic Bottlenecks – How Few People Can Start a World? Or Restart One? Written, Produced & Narrated by: Isaac Arthur Select imagery/video supplied by Getty Images Chapters 0:00 Intro 10:56 Restoration 19:26 Practical Engineering See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

    24 min
  7. Fleet of the Void - Designing Warships for Deep Space

    APR 30

    Fleet of the Void - Designing Warships for Deep Space

    How would real space war actually work? From stealth myths to fuel limits, explore the brutal physics shaping starships, tactics, and survival in deep space combat. 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 The Anatomy of the Nokia 3310: 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: Fleet of the Void - Designing Warships for Deep Space Written, Produced & Narrated by: Isaac Arthur Editor: Keith Oxenrider Graphics: Darth Biomech, Fishy Tree, Jeremy Jozwik, Legiontech, Udo Schroeter Music by Epidemic Sound: http://nebula.tv/epidemic Chris Zabriskie & Stellardrone Select imagery/video supplied by Getty Images Chapters 0:00 Intro 1:53 The Strategic Context – Fighting in the Infinite 4:40 Unpredictable Motion and Limited Fuel Workarounds 6:37 Why Not Use Robot Pilots and Just Dodge Forever? 8:00 The Tethered Fleet: A fuel saving trick 10:13 No Stealth in Space 16:34 Warship Design: Built for the Void, Not for Hollywood 21:31 Command and Crew: Flesh, Steel, and Silence 25:43 Real Engineering 26:43 Life Support 28:06 Tactics in the Deep 31:42 Philosophy of the Void See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

    34 min
  8. Fleet of the Void - Designing Warships for Deep Space (Narration Only)

    APR 30

    Fleet of the Void - Designing Warships for Deep Space (Narration Only)

    How would real space war actually work? From stealth myths to fuel limits, explore the brutal physics shaping starships, tactics, and survival in deep space combat. 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 The Anatomy of the Nokia 3310: 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: Fleet of the Void - Designing Warships for Deep Space Written, Produced & Narrated by: Isaac Arthur Editor: Keith Oxenrider Graphics: Darth Biomech, Fishy Tree, Jeremy Jozwik, Legiontech, Udo Schroeter Music by Epidemic Sound: http://nebula.tv/epidemic Chris Zabriskie & Stellardrone Select imagery/video supplied by Getty Images Chapters 0:00 Intro 1:53 The Strategic Context – Fighting in the Infinite 4:40 Unpredictable Motion and Limited Fuel Workarounds 6:37 Why Not Use Robot Pilots and Just Dodge Forever? 8:00 The Tethered Fleet: A fuel saving trick 10:13 No Stealth in Space 16:34 Warship Design: Built for the Void, Not for Hollywood 21:31 Command and Crew: Flesh, Steel, and Silence 25:43 Real Engineering 26:43 Life Support 28:06 Tactics in the Deep 31:42 Philosophy of the Void See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

    34 min
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4.9
out of 5
645 Ratings

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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.

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