Science & Futurism with Isaac Arthur

Antimatter propulsion could be the fastest engine ever built. We explore how antimatter rockets work, their extreme energy density, and whether they could power humanity’s first true interstellar spacecraft.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age 🛒 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:Antimatter Propulsion - Extended EditionWritten, Produced & Narrated by: Isaac ArthurEdited by: Thomas Owens & Merv Johnson IIGraphics: Jeremy Jozwik, Ken York YD Visual, Sergio BoteroSelect imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creatorMarkus Junnikkala, "A Fleet Behind the Moon"Phase Shift, "Forest Night"Kai Engel, "Endless Story About Sun and Moon"Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector"Taras Harkavyi, "Alpha and..."Stellardrone, "Red Giant", "Billions and Billions"See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 31 May 2026

Antimatter propulsion could be the fastest engine ever built. We explore how antimatter rockets work, their extreme energy density, and whether they could power humanity’s first true interstellar spacecraft. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age 🛒 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:Antimatter Propulsion - Extended EditionWritten, Produced & Narrated by: Isaac ArthurEdited by: Thomas Owens & Merv Johnson IIGraphics: Jeremy Jozwik, Ken York YD Visual, Sergio BoteroSelect imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creatorMarkus Junnikkala, "A Fleet Behind the Moon"Phase Shift, "Forest Night"Kai Engel, "Endless Story About Sun and Moon"Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector"Taras Harkavyi, "Alpha and..."Stellardrone, "Red Giant", "Billions and Billions"See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 31 May 2026

Before NASA, we had a plan for a rotating space station. The Von Braun Wheel could be humanity’s first step toward artificial gravity, orbital habitats, and permanent life beyond Earth. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age 🛒 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:The Von Braun WheelWritten, Produced & Narrated by: Isaac ArthurGraphics from Bryan Versteeg, Jeremy Jozwik, Sergio Botero, Udo SchroeterMusic by Stellardrone & Chris ZabriskieSelect imagery/video supplied by Getty Images Chapters0:00 Intro2:07 What the Von Braun Wheel Actually Was3:35 Why Spin At All?5:28 The Road Not Taken9:15 A Log Cabin in Orbit10:13 Could We Build It Today?13:08 The Missing Link to Mars15:06 Operational Advantages Beyond Health18:12 The Evolutionary Step Between Laboratory and Settlement19:33 From Wheel to Network20:45 Interplanetary Craft23:31 Surviving a New Ice Age24:39 Asteroid Mining and Industrial Outposts27:23 The Infrastructure Multiplier See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 28 May 2026

Before NASA, we had a plan for a rotating space station. The Von Braun Wheel could be humanity’s first step toward artificial gravity, orbital habitats, and permanent life beyond Earth. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-age 🛒 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:The Von Braun WheelWritten, Produced & Narrated by: Isaac ArthurGraphics from Bryan Versteeg, Jeremy Jozwik, Sergio Botero, Udo SchroeterMusic by Stellardrone & Chris ZabriskieSelect imagery/video supplied by Getty Images Chapters0:00 Intro2:07 What the Von Braun Wheel Actually Was3:35 Why Spin At All?5:28 The Road Not Taken9:15 A Log Cabin in Orbit10:13 Could We Build It Today?13:08 The Missing Link to Mars15:06 Operational Advantages Beyond Health18:12 The Evolutionary Step Between Laboratory and Settlement19:33 From Wheel to Network20:45 Interplanetary Craft23:31 Surviving a New Ice Age24:39 Asteroid Mining and Industrial Outposts27:23 The Infrastructure Multiplier See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 28 May 2026

Are aliens watching us? The Zoo Hypothesis suggests advanced civilizations may be hiding, enforcing a galactic quarantine, or masking reality itself. Explore the Fermi Paradox, Dyson dilemma, and the unsettling possibility we are not alone—but observed. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits:The Zoo Hypothesis and the Fermi Paradox: Are We Being Watched?Written, Produced & Narrated by: Isaac ArthurMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro - Silence as Deliberate Choice2:15 The Zoo Hypothesis and Time Asymmetry4:30 The Dyson Dilemma (Reframed)5:54 Heavy Stealth and the Expansion of the Zoo8:33 Who Are the Zookeepers?12:23 Why Build a Zoo?16:37 Enforcement: How the Zoo Is Maintained20:39 Heavy Stealth: Hiding by Overwhelming Force24:54 Cracks in the Glass: Can the Zoo Be Detected?29:12 Gods & Monsters30:08 Leakage: Accidents, Dissidents, and the Cost of Perfection33:22 Graduation or Exposure: How the Zoo Ends37:27 What It Means If We’re Being Watched — Or Never Were39:15 The Bars Are Made of Time See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 24 May 2026

Are aliens watching us? The Zoo Hypothesis suggests advanced civilizations may be hiding, enforcing a galactic quarantine, or masking reality itself. Explore the Fermi Paradox, Dyson dilemma, and the unsettling possibility we are not alone—but observed. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits:The Zoo Hypothesis and the Fermi Paradox: Are We Being Watched?Written, Produced & Narrated by: Isaac ArthurMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro - Silence as Deliberate Choice2:15 The Zoo Hypothesis and Time Asymmetry4:30 The Dyson Dilemma (Reframed)5:54 Heavy Stealth and the Expansion of the Zoo8:33 Who Are the Zookeepers?12:23 Why Build a Zoo?16:37 Enforcement: How the Zoo Is Maintained20:39 Heavy Stealth: Hiding by Overwhelming Force24:54 Cracks in the Glass: Can the Zoo Be Detected?29:12 Gods & Monsters30:08 Leakage: Accidents, Dissidents, and the Cost of Perfection33:22 Graduation or Exposure: How the Zoo Ends37:27 What It Means If We’re Being Watched — Or Never Were39:15 The Bars Are Made of Time See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 24 May 2026

Artificial intelligence is changing the world, but not quite the way headlines suggest. Here’s a calmer look at AI’s risks, limits, and real potential. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck out Abolish Everything: https://nebula.tv/abolish?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:Don’t Panic - A Guide to Artificial IntelligenceWritten, Produced & Narrated by: Isaac ArthurEditors: Donagh Broderick & Merv Johnson IIMusic by Epidemic Sound: http://nebula.tv/epidemicStellardrone & Chris Zabriskie Select imagery/video supplied by Getty Images Chapters0:00 Intro7:22 What We Actually Mean by “AI”12:50 How AI Actually Works - Inside the Black Box23:17 Why Everyone Is Panicking?36:52 AI as Invisible Infrastructure39:33 The Economic Shock47:15 Abolish Everything 48:16The Real Limits of AI See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 21 May 2026

Artificial intelligence is changing the world, but not quite the way headlines suggest. Here’s a calmer look at AI’s risks, limits, and real potential. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck out Abolish Everything: https://nebula.tv/abolish?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:Don’t Panic - A Guide to Artificial IntelligenceWritten, Produced & Narrated by: Isaac ArthurEditors: Donagh Broderick & Merv Johnson IIMusic by Epidemic Sound: http://nebula.tv/epidemicStellardrone & Chris Zabriskie Select imagery/video supplied by Getty Images Chapters0:00 Intro7:22 What We Actually Mean by “AI”12:50 How AI Actually Works - Inside the Black Box23:17 Why Everyone Is Panicking?36:52 AI as Invisible Infrastructure39:33 The Economic Shock47:15 Abolish Everything 48:16The Real Limits of AI See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 21 May 2026

In space, everything is a weapon. From orbits to infrastructure, here’s how the first real war between worlds might actually be fought. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck out Real Engineering: https://nebula.tv/realengineering?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:The First Interplanetary War: Tactics in the Solar SystemWritten, Produced & Narrated by: Isaac ArthurEditor: Keith OxenriderGraphics from: Jeremy Jozwik, Legiontech StudiosSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 17 May 2026

In space, everything is a weapon. From orbits to infrastructure, here’s how the first real war between worlds might actually be fought. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck out Real Engineering: https://nebula.tv/realengineering?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:The First Interplanetary War: Tactics in the Solar SystemWritten, Produced & Narrated by: Isaac ArthurEditor: Keith OxenriderGraphics from: Jeremy Jozwik, Legiontech StudiosSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 17 May 2026

Before Fleet Unity can colonize Eridani, someone must arrive first, build the brakes, and turn frozen moons into the machinery of interstellar arrival. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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:Fleet Unity: The Eridani Expedition - Interstellar BeachheadProduced & Narrated by Isaac ArthurWritten by Isaac Arthur & Matt KosubGraphics from Jeremy Jozwik, LEgionTech, Sergio BoteroMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images 0:00 Intro4:23 Authority at the End of a Light-Year10:58 The Beachhead21:49 Lachesis & Atropos29:30 Dune30:40 Arrival See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 14 May 2026

Before Fleet Unity can colonize Eridani, someone must arrive first, build the brakes, and turn frozen moons into the machinery of interstellar arrival. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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:Fleet Unity: The Eridani Expedition - Interstellar BeachheadProduced & Narrated by Isaac ArthurWritten by Isaac Arthur & Matt KosubGraphics from Jeremy Jozwik, LEgionTech, Sergio BoteroMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images 0:00 Intro4:23 Authority at the End of a Light-Year10:58 The Beachhead21:49 Lachesis & Atropos29:30 Dune30:40 Arrival See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 14 May 2026

Explore SETI’s history and modern methods—from radio and laser searches to Dyson spheres and technosignatures—and how we might detect alien civilizations across the galaxy. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits:SETI Explained - How We Search for Alien CivilizationsWritten, Produced & Narrated by: Isaac ArthurGraphics from Ken York, Sergio BoteroSelect imagery/video supplied by Getty Images Chapters0:00 Intro0:50 Why SETI Is Harder Than It Sounds2:50 The Birth of SETI6:15 Why Radio SETI Made Sense—and Why It Didn’t Work9:34 The Shift in Perspective10:55 Laser SETI13:52 Dysonian SETI16:59 Signals, Artifacts, and Echoes19:09 Recognition Is Harder Than Detection21:30 Gods & Monsters22:30 What SETI Looks Like Today25:18 SETI as a Mirror, Not a Phone Call See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 12 May 2026

Explore SETI’s history and modern methods—from radio and laser searches to Dyson spheres and technosignatures—and how we might detect alien civilizations across the galaxy. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits:SETI Explained - How We Search for Alien CivilizationsWritten, Produced & Narrated by: Isaac ArthurGraphics from Ken York, Sergio BoteroSelect imagery/video supplied by Getty Images Chapters0:00 Intro0:50 Why SETI Is Harder Than It Sounds2:50 The Birth of SETI6:15 Why Radio SETI Made Sense—and Why It Didn’t Work9:34 The Shift in Perspective10:55 Laser SETI13:52 Dysonian SETI16:59 Signals, Artifacts, and Echoes19:09 Recognition Is Harder Than Detection21:30 Gods & Monsters22:30 What SETI Looks Like Today25:18 SETI as a Mirror, Not a Phone Call See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 12 May 2026

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/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits:Nomadic Aliens – Cultures That Wander the GalaxyWritten, Produced & Narrated by: Isaac ArthurMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro2:44 The Ship Is the World10:49 The Nomadic Group Is Not the Species19:15 Accretion, Not Assimilation25:53 When Nomads Stop, and When They Refuse To28:32 Gods & Monsters29:32 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.

Transcribed - Published: 9 May 2026

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/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits:Nomadic Aliens – Cultures That Wander the GalaxyWritten, Produced & Narrated by: Isaac ArthurMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro2:44 The Ship Is the World10:49 The Nomadic Group Is Not the Species19:15 Accretion, Not Assimilation25:53 When Nomads Stop, and When They Refuse To28:32 Gods & Monsters29:32 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.

Transcribed - Published: 9 May 2026

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/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits: The Tokamak Problem: Can We Ever Make Fusion Practical?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 7 May 2026

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/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits: The Tokamak Problem: Can We Ever Make Fusion Practical?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 7 May 2026

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/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits:Genetic Bottlenecks – How Few People Can Start a World? Or Restart One?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro10:56 Restoration19:26 Practical EngineeringSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 3 May 2026

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/isaacarthurWatch my exclusive video Surviving a New Ice Age: https://nebula.tv/videos/isaacarthur-surviving-a-new-ice-ageCheck 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/53GAShECredits:Genetic Bottlenecks – How Few People Can Start a World? Or Restart One?Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro10:56 Restoration19:26 Practical EngineeringSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 3 May 2026

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/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 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/53GAShECredits:Fleet of the Void - Designing Warships for Deep SpaceWritten, Produced & Narrated by: Isaac ArthurEditor: Keith OxenriderGraphics: Darth Biomech, Fishy Tree, Jeremy Jozwik, Legiontech, Udo SchroeterMusic by Epidemic Sound: http://nebula.tv/epidemic Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:53 The Strategic Context – Fighting in the Infinite4:40 Unpredictable Motion and Limited Fuel Workarounds6:37 Why Not Use Robot Pilots and Just Dodge Forever?8:00 The Tethered Fleet: A fuel saving trick10:13 No Stealth in Space16:34 Warship Design: Built for the Void, Not for Hollywood21:31 Command and Crew: Flesh, Steel, and Silence25:43 Real Engineering26:43 Life Support28:06 Tactics in the Deep31:42 Philosophy of the VoidSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 30 April 2026

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/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 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/53GAShECredits:Fleet of the Void - Designing Warships for Deep SpaceWritten, Produced & Narrated by: Isaac ArthurEditor: Keith OxenriderGraphics: Darth Biomech, Fishy Tree, Jeremy Jozwik, Legiontech, Udo SchroeterMusic by Epidemic Sound: http://nebula.tv/epidemic Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:53 The Strategic Context – Fighting in the Infinite4:40 Unpredictable Motion and Limited Fuel Workarounds6:37 Why Not Use Robot Pilots and Just Dodge Forever?8:00 The Tethered Fleet: A fuel saving trick10:13 No Stealth in Space16:34 Warship Design: Built for the Void, Not for Hollywood21:31 Command and Crew: Flesh, Steel, and Silence25:43 Real Engineering26:43 Life Support28:06 Tactics in the Deep31:42 Philosophy of the VoidSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 30 April 2026

What if civilizations outgrow consciousness itself? Explore post-human minds, machine societies, and a future where awareness may no longer be required. 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 Vintage Space: https://nebula.tv/videos/thevintagespace-apollo-8s-christmas-miracle?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:Post-Consciousness Civilizations: Evolving Beyond Human AwarenessWritten, Produced & Narrated by: Isaac Arthur Edited by: Lukas KonecnySelect imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creatorSergey Cheremisinov, "Labyrinth"Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Oxygen Garden"Stellardrone, "Red Giant", "Billions and Billions"See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 26 April 2026

What if civilizations outgrow consciousness itself? Explore post-human minds, machine societies, and a future where awareness may no longer be required. 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 Vintage Space: https://nebula.tv/videos/thevintagespace-apollo-8s-christmas-miracle?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:Post-Consciousness Civilizations: Evolving Beyond Human AwarenessWritten, Produced & Narrated by: Isaac Arthur Edited by: Lukas KonecnySelect imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creatorSergey Cheremisinov, "Labyrinth"Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Oxygen Garden"Stellardrone, "Red Giant", "Billions and Billions"See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 26 April 2026

Magnetic monopoles are hypothetical particles with a single magnetic charge — north without south. Predicted by grand unified theories, they may be incredibly massive and could bind together into “magmatter,” an ultra-dense material stronger than anything known in nature. 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 the Nokia 3310 CT Scan: 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:Magnetic Monopoles & Magmatter - The Strongest Material That Might ExistWritten, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro4:52 What Magnetic Monopoles Would Do10:30 Magmatter: Matter Without Atoms18:48 Nokia 331019:55 What You Could Build — and What It Would CostSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 23 April 2026

Magnetic monopoles are hypothetical particles with a single magnetic charge — north without south. Predicted by grand unified theories, they may be incredibly massive and could bind together into “magmatter,” an ultra-dense material stronger than anything known in nature. 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 the Nokia 3310 CT Scan: 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:Magnetic Monopoles & Magmatter - The Strongest Material That Might ExistWritten, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro4:52 What Magnetic Monopoles Would Do10:30 Magmatter: Matter Without Atoms18:48 Nokia 331019:55 What You Could Build — and What It Would CostSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 23 April 2026

Could we build wormholes and travel the galaxy? Exploring stable wormholes, spacetime shortcuts, and the future of interstellar civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technologyCheck out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth?ref=isaacarthur 🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 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:Wormhole Stableways – Constructing and Navigating Artificial Shortcuts Through SpaceWritten, Produced & Narrated by:Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:38 What Is a Wormhole?5:21 Could Wormholes Exist Naturally?8:49 What Keeps a Wormhole Open?12:08 Can We Build an Artificial Wormhole?16:05 How Would You Travel Through One?20:56 So Where Are We?25:14 Civilization across the Stableways30:58 Nebula32:10 Bridges to EternitySee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 19 April 2026

Could we build wormholes and travel the galaxy? Exploring stable wormholes, spacetime shortcuts, and the future of interstellar civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technologyCheck out Joe Scott's Oldest & Newest: https://nebula.tv/videos/joescott-oldest-and-newest-places-on-earth?ref=isaacarthur 🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 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:Wormhole Stableways – Constructing and Navigating Artificial Shortcuts Through SpaceWritten, Produced & Narrated by:Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:38 What Is a Wormhole?5:21 Could Wormholes Exist Naturally?8:49 What Keeps a Wormhole Open?12:08 Can We Build an Artificial Wormhole?16:05 How Would You Travel Through One?20:56 So Where Are We?25:14 Civilization across the Stableways30:58 Nebula32:10 Bridges to EternitySee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 19 April 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/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 Images Chapters0:00 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.

Transcribed - Published: 16 April 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/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 Images Chapters0:00 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 Touch See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 16 April 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/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 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/53GAShECredits:The Fermi Paradox: Human Uniqueness and OddityWritten, Produced & Narrated by: Isaac ArthurMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 12 April 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/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 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/53GAShECredits:The Fermi Paradox: Human Uniqueness and OddityWritten, Produced & Narrated by: Isaac ArthurMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 12 April 2026

Cosmic strings may be ultra-thin defects in spacetime—relic “cracks” from the early universe. How we’d detect them, what they mean for physics, and how aliens might exploit them. 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-world 🛒 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:Cosmic Strings – Cracks in the Fabric of the UniverseWritten, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro - Cracks in the Fabric of the Universe6:11 From Defects to Cosmic Strings13:31 Civilizations and Cosmic Strings: Tools, Traps, and Temptations19:43 Nebula20:39 Cousins, Confusions, and What a Discovery Would Mean See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 9 April 2026

Cosmic strings may be ultra-thin defects in spacetime—relic “cracks” from the early universe. How we’d detect them, what they mean for physics, and how aliens might exploit them. 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-world 🛒 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:Cosmic Strings – Cracks in the Fabric of the UniverseWritten, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Chapters0:00 Intro - Cracks in the Fabric of the Universe6:11 From Defects to Cosmic Strings13:31 Civilizations and Cosmic Strings: Tools, Traps, and Temptations19:43 Nebula20:39 Cousins, Confusions, and What a Discovery Would Mean See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 9 April 2026

Interstellar city-states may dominate future space travel, governing the laser highways that connect stars and shape galactic civilization. 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:Interstellar Banking - The Galactic Financial SystemProduced & Narrated by: Isaac ArthurWritten & Edited by: Briana Brownell, Isaac Arthur, Merv Johnson II, Thomas OwensGraphics from Jeremy Jozwik & Sergio BoteroMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro4:45 Foundations of Currency in Space6:06 Commodity Money8:47 Fiat Money10:40 Crypto & Distributed Ledgers12:09 Time Dilation, Distance, and the Death of Real-Time Banking12:55 Interplanetary Banking 18:34 Interstellar Banking 19:50 Interstellar Banking (Light-Years Away)22:56 Intergalactic & FTL Banking25:09 Automation, AI, and Autonomous Banking26:22 CT Scan27:28 Cultural and Ethical Dimensions of Cosmic Wealth28:45 The Economics of Forever See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 4 April 2026

Interstellar city-states may dominate future space travel, governing the laser highways that connect stars and shape galactic civilization. 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:Interstellar Banking - The Galactic Financial SystemProduced & Narrated by: Isaac ArthurWritten & Edited by: Briana Brownell, Isaac Arthur, Merv Johnson II, Thomas OwensGraphics from Jeremy Jozwik & Sergio BoteroMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro4:45 Foundations of Currency in Space6:06 Commodity Money8:47 Fiat Money10:40 Crypto & Distributed Ledgers12:09 Time Dilation, Distance, and the Death of Real-Time Banking12:55 Interplanetary Banking 18:34 Interstellar Banking 19:50 Interstellar Banking (Light-Years Away)22:56 Intergalactic & FTL Banking25:09 Automation, AI, and Autonomous Banking26:22 CT Scan27:28 Cultural and Ethical Dimensions of Cosmic Wealth28:45 The Economics of Forever See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 4 April 2026

Humanity may not colonize planets—we may build our own worlds. Explore how rotating space habitats could spread across the Solar System and beyond, forming a vast diaspora of artificial worlds that reshape civilization and interstellar expansion. 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-world 🛒 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:The Space Habitat Diaspora – Humanity Spreads Without PlanetsWritten, Produced & Narrated by: Isaac ArthurGraphics from Bryan Versteeg, Jeremy Jozwik, Sergio Botero, Udo SchroeterSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 2 April 2026

Humanity may not colonize planets—we may build our own worlds. Explore how rotating space habitats could spread across the Solar System and beyond, forming a vast diaspora of artificial worlds that reshape civilization and interstellar expansion. 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-world 🛒 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:The Space Habitat Diaspora – Humanity Spreads Without PlanetsWritten, Produced & Narrated by: Isaac ArthurGraphics from Bryan Versteeg, Jeremy Jozwik, Sergio Botero, Udo SchroeterSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 2 April 2026

Is science nearing its limits? We explore whether humanity could ever run out of discoveries—or if the universe guarantees endless questions, deeper mysteries, and new frontiers forever. 🌏 Get Exclusive NordVPN deal + 4 months extra here → https://nordvpn.com/isaacarthur It’s risk-freewith Nord’s 30-day money-back guarantee! ✌️ 🛒 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:The End of ScienceEpisode 488a; Originally Aired: March 1, 2025; Nebula ExclusiveWritten, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creatorPhase Shift, "Forest Night"Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Oxygen Garden"Stellardrone, "Red Giant", "Billions and Billions"See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 31 March 2026

Is science nearing its limits? We explore whether humanity could ever run out of discoveries—or if the universe guarantees endless questions, deeper mysteries, and new frontiers forever. 🌏 Get Exclusive NordVPN deal + 4 months extra here → https://nordvpn.com/isaacarthur It’s risk-freewith Nord’s 30-day money-back guarantee! ✌️ 🛒 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:The End of ScienceEpisode 488a; Originally Aired: March 1, 2025; Nebula ExclusiveWritten, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creatorPhase Shift, "Forest Night"Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Oxygen Garden"Stellardrone, "Red Giant", "Billions and Billions"See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 31 March 2026

Civilizations at the end of time—how intelligence could survive heat death, cosmic isolation, entropy, and the universe’s longest future eras. Take back your personal data with Incogni! Use code isaacarthur at the link below and get 60% off annual plans: https://incogni.com/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: Civilizations at the End of Time - How Intelligence Survives the Death of the UniverseWritten, Produced & Narrated by: Isaac ArthurScript Editors:Andy Popescu, Briana Brownell, Connor Hogan, Darius Said, David McFarlane, Edward Nardella, Eustratius Graham, Gregory Leal, Jefferson Eagley, Keith Blockus, Konstantin Sokerin, Luca de Rosa, Ludwig Luska, Lukas Konecny, Michael Gusevsky, Mitch Armstrong, MolbOrg, Naomi Kern, Philip Baldock, Sigmund Kopperud, Steve Cardon, Tiffany Penner, YamagishiGraphics Courtesy of:Edward Nardella, Jakub Grygier, Jarred Eagley, Jeremy Jozwik, Justin Dixon, Katie Byrne, Ken York of YD Visual, LegionTech Studios, Mafic Studios, Misho Yordanov, Murat Mamkegh, Pierre Demet, Sergio Botero, Stefan Blandin, Udo Schroeter, and Select imagery/video supplied by Getty ImagesMusic Courtesy of:AJ Prasad, Chris Zabriskie, Dan McLeod, NeptuneUK, Lombus, Markus Junnikkala, Miguel Johnson, Phase Shift, Stellardrone, Taras Harkavyi, and Epidemic Sound: http://nebula.tv/epidemic & StellardroneSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 28 March 2026

Civilizations at the end of time—how intelligence could survive heat death, cosmic isolation, entropy, and the universe’s longest future eras. Take back your personal data with Incogni! Use code isaacarthur at the link below and get 60% off annual plans: https://incogni.com/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: Civilizations at the End of Time - How Intelligence Survives the Death of the UniverseWritten, Produced & Narrated by: Isaac ArthurScript Editors:Andy Popescu, Briana Brownell, Connor Hogan, Darius Said, David McFarlane, Edward Nardella, Eustratius Graham, Gregory Leal, Jefferson Eagley, Keith Blockus, Konstantin Sokerin, Luca de Rosa, Ludwig Luska, Lukas Konecny, Michael Gusevsky, Mitch Armstrong, MolbOrg, Naomi Kern, Philip Baldock, Sigmund Kopperud, Steve Cardon, Tiffany Penner, YamagishiGraphics Courtesy of:Edward Nardella, Jakub Grygier, Jarred Eagley, Jeremy Jozwik, Justin Dixon, Katie Byrne, Ken York of YD Visual, LegionTech Studios, Mafic Studios, Misho Yordanov, Murat Mamkegh, Pierre Demet, Sergio Botero, Stefan Blandin, Udo Schroeter, and Select imagery/video supplied by Getty ImagesMusic Courtesy of:AJ Prasad, Chris Zabriskie, Dan McLeod, NeptuneUK, Lombus, Markus Junnikkala, Miguel Johnson, Phase Shift, Stellardrone, Taras Harkavyi, and Epidemic Sound: http://nebula.tv/epidemic & StellardroneSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 28 March 2026

Biohacks and brain implants are coming fast. From memory upgrades to neural meshes, how will implant culture reshape identity, economics, and civilization itself? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Tech Alter: https://nebula.tv/techaltar?ref=isaacarthurand Day Pass: https://nebula.tv/daypass?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:Biohacks & Brain Mods - The Coming Age of Implant CultureWritten, Produced & Narrated by: Isaac ArthurEdited by: Chris Gray & Donagh BroderickSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:28 The First Layer – The Implants Already Here3:08 The Early Adoption Phase – Niche Enhancements5:27 Safety vs Freedom8:25 Implant Economics14:31 The Social Shift – The Rise of Implant Culture20:04 Minds in Motion – Cognitive Architecture as a Design Space21:50 Implant Maximalism – Full-Stack Upgrades23:03 Nebula24:09 Post-Implant Society – Upgrades as Life Stages25:40 The Far Horizon – When Implants Become Civilization See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 26 March 2026

Biohacks and brain implants are coming fast. From memory upgrades to neural meshes, how will implant culture reshape identity, economics, and civilization itself? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Tech Alter: https://nebula.tv/techaltar?ref=isaacarthurand Day Pass: https://nebula.tv/daypass?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:Biohacks & Brain Mods - The Coming Age of Implant CultureWritten, Produced & Narrated by: Isaac ArthurEdited by: Chris Gray & Donagh BroderickSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:28 The First Layer – The Implants Already Here3:08 The Early Adoption Phase – Niche Enhancements5:27 Safety vs Freedom8:25 Implant Economics14:31 The Social Shift – The Rise of Implant Culture20:04 Minds in Motion – Cognitive Architecture as a Design Space21:50 Implant Maximalism – Full-Stack Upgrades23:03 Nebula24:09 Post-Implant Society – Upgrades as Life Stages25:40 The Far Horizon – When Implants Become Civilization See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 26 March 2026

What if we built entire planets around tiny black holes? Explore engineered micro worlds, artificial gravity, and the future of compact megastructures. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Practical Engineering: https://nebula.tv/practical-engineering?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:Micro Planets - Building Artificial Worlds with Black Hole CoresWritten, Produced & Narrated by: Isaac ArthurGraphics from Jeremy Jozwik & Ken YorkMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 22 March 2026

What if we built entire planets around tiny black holes? Explore engineered micro worlds, artificial gravity, and the future of compact megastructures. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Practical Engineering: https://nebula.tv/practical-engineering?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:Micro Planets - Building Artificial Worlds with Black Hole CoresWritten, Produced & Narrated by: Isaac ArthurGraphics from Jeremy Jozwik & Ken YorkMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty ImagesSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 22 March 2026

Colonizing brown dwarfs: habitats, megastructures, and hidden homes around failed stars. Could these dim embers power civilizations for trillions of years? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out 17 Pages: https://nebula.tv/17pages?ref=isaacarthurand A Bit Obscure https://nebula.tv/abitfrank/a-bit-obscure?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:Colonizing Brown Dwarfs – Life Around Failed StarsWritten, Produced & Narrated by: Isaac ArthurGraphics from Fishy Tree, Jeremy Jozwik, Udo SchroeterMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:56 WHAT A BROWN DWARF IS7:15 L Dwarfs11:57 T-Dwarfs17:04 Nebula18:15 Habitable Zones22:12 MegastructuresSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 19 March 2026

Colonizing brown dwarfs: habitats, megastructures, and hidden homes around failed stars. Could these dim embers power civilizations for trillions of years? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out 17 Pages: https://nebula.tv/17pages?ref=isaacarthurand A Bit Obscure https://nebula.tv/abitfrank/a-bit-obscure?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:Colonizing Brown Dwarfs – Life Around Failed StarsWritten, Produced & Narrated by: Isaac ArthurGraphics from Fishy Tree, Jeremy Jozwik, Udo SchroeterMusic Courtesy of Chris Zabriskie & StellardroneSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:56 WHAT A BROWN DWARF IS7:15 L Dwarfs11:57 T-Dwarfs17:04 Nebula18:15 Habitable Zones22:12 MegastructuresSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 19 March 2026

From Goddard’s first rocket to space elevators and mass drivers, we explore 100 years of rocketry—and the launch technologies that could carry humanity beyond rockets. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Day Pass: https://nebula.tv/daypass?ref=isaacarthur 🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 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 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: Beyond Rockets - 100 Years of Rocketry and What Comes NextWritten, Produced & Narrated by: Isaac ArthurEditor: Charles SlatkinSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:48 The Pioneering Century5:49 The Physics of Rockets8:20 The Coming Revolution in Launch Systems11:50 Beyond Rockets — The Alternative Gateways to Space12:26 Space Elevators13:49 Skyhooks and Rotovators15:04 Orbital Rings17:58 Mass Drivers and Coilguns19:05 Nebula20:18 Launch Loops and Dynamic Tethers21:13 High-Altitude and Hybrid Launch Systems22:39 Toward a Post-Rocket Civilization23:15 The Road Ahead — Humanity’s Next Launch CenturySee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 15 March 2026

From Goddard’s first rocket to space elevators and mass drivers, we explore 100 years of rocketry—and the launch technologies that could carry humanity beyond rockets. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Day Pass: https://nebula.tv/daypass?ref=isaacarthur 🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/🌐 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 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: Beyond Rockets - 100 Years of Rocketry and What Comes NextWritten, Produced & Narrated by: Isaac ArthurEditor: Charles SlatkinSelect imagery/video supplied by Getty Images Chapters0:00 Intro1:48 The Pioneering Century5:49 The Physics of Rockets8:20 The Coming Revolution in Launch Systems11:50 Beyond Rockets — The Alternative Gateways to Space12:26 Space Elevators13:49 Skyhooks and Rotovators15:04 Orbital Rings17:58 Mass Drivers and Coilguns19:05 Nebula20:18 Launch Loops and Dynamic Tethers21:13 High-Altitude and Hybrid Launch Systems22:39 Toward a Post-Rocket Civilization23:15 The Road Ahead — Humanity’s Next Launch CenturySee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcribed - Published: 15 March 2026