Science & Futurism with Isaac Arthur

What happens when time stops being scarce? From nanobots to mind uploads, we explore the economy of immortality... and what it costs to live forever. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?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 Economics of Immortality Written, Produced & Narrated by: Isaac Arthur Editors: Thomas Owens Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .

Would we ever colonize space with prisoners? From penal colonies to prison planets, we explore whether exile could become a second chance, a new civilization, or a nightmare with rockets. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?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 Prison Planet Problem - Exiled to Space Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Select imagery/video supplied by Getty Images Chapters Intro 2:30 The Old Logic in a New Sky 6:45 The Prison Planet as a Phase 11:23 Would We Ever Need Prisoner Colonists? 16:13 Punishment, Pardon, or Purpose? 19:33 The Second Wave 24:52 Mad Kings 25:57 The Dark Version, and the Better One See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .

Would we ever colonize space with prisoners? From penal colonies to prison planets, we explore whether exile could become a second chance, a new civilization, or a nightmare with rockets. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?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 Prison Planet Problem - Exiled to Space Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Select imagery/video supplied by Getty Images Chapters Intro 2:30 The Old Logic in a New Sky 6:45 The Prison Planet as a Phase 11:23 Would We Ever Need Prisoner Colonists? 16:13 Punishment, Pardon, or Purpose? 19:33 The Second Wave 24:52 Mad Kings 25:57 The Dark Version, and the Better One See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .

How big could human civilization become? From trillion-person worlds to Dyson swarms, galaxy-spanning cultures, and digital minds, we explore just how far humanity could scale. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout 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: How Big Could Human Civilization Get? Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Stellardrone & Chris Zabriskie Graphics: Jeremy Jozwik, Sergio Botero, Udo Schroeter Select imagery/video supplied by Getty Images Chapters 0:00 Intro 2:54 Earth, Planets, and the Classic Human Future 10:05 The Galaxy as a Human Family Tree 16:53 Using Space Properly 23:41 Stars, Galaxies, and Kardashev Civilizations 30:32 Gods & Monsters 31:35 When Humans Stop Being Baseline See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .

How big could human civilization become? From trillion-person worlds to Dyson swarms, galaxy-spanning cultures, and digital minds, we explore just how far humanity could scale. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout 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: How Big Could Human Civilization Get? Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Stellardrone & Chris Zabriskie Graphics: Jeremy Jozwik, Sergio Botero, Udo Schroeter Select imagery/video supplied by Getty Images Chapters 0:00 Intro 2:54 Earth, Planets, and the Classic Human Future 10:05 The Galaxy as a Human Family Tree 16:53 Using Space Properly 23:41 Stars, Galaxies, and Kardashev Civilizations 30:32 Gods & Monsters 31:35 When Humans Stop Being Baseline See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .

What happens when the machines still work, but nobody remembers how they were built? We explore technological amnesia, black-box automation, lost expertise, and civilizations trapped inside inherited technology. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Alien Data Arks, Outsider Aliens, and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection 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: Can a Civilization Forget How Its Own Technology Works? Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Stellardrone & Chris Zabriskie Select imagery/video supplied by Getty Images Chapters 0:00 Intro 2:51 Forgetting the Footnotes 7:33 Black Boxes and Sacred Buttons 12:46 12 Years 14:08 Tradition, Taboo, and the Maintenance Guild 19:54 Colonies That Inherit Too Much 23:22 The Stagnant Stars 27:03 Alien Life 28:03 How Not to Forget See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .

What happens when the machines still work, but nobody remembers how they were built? We explore technological amnesia, black-box automation, lost expertise, and civilizations trapped inside inherited technology. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Alien Data Arks, Outsider Aliens, and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection 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: Can a Civilization Forget How Its Own Technology Works? Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Stellardrone & Chris Zabriskie Select imagery/video supplied by Getty Images Chapters 0:00 Intro 2:51 Forgetting the Footnotes 7:33 Black Boxes and Sacred Buttons 12:46 12 Years 14:08 Tradition, Taboo, and the Maintenance Guild 19:54 Colonies That Inherit Too Much 23:22 The Stagnant Stars 27:03 Alien Life 28:03 How Not to Forget See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .

Why build floating cities above Jupiter and Saturn? Not for fusion fuel, but for something far more valuable: the staggering amounts of hydrogen, nitrogen, and raw material needed to build a spacefaring civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout 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: Floating Cities Above Gas Giants Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Stellardrone & Chris Zabriskie Graphics from: Ervin Oprea, Jeremy Jozwik & Sergio Botero 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 .

Why build floating cities above Jupiter and Saturn? Not for fusion fuel, but for something far more valuable: the staggering amounts of hydrogen, nitrogen, and raw material needed to build a spacefaring civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout 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: Floating Cities Above Gas Giants Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Stellardrone & Chris Zabriskie Graphics from: Ervin Oprea, Jeremy Jozwik & Sergio Botero 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 .

If we could build a space elevator tomorrow, where should it go? Earth may be the obvious answer, but the Moon, Mars, and other worlds may be far easier. We compare the best candidates. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?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 First Space Elevator: Where Would We Build It? Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Graphics from: Jeremy Jozwik, Ken York, Phil Swan & Sergio Botero Select imagery/video supplied by Getty Images Chapters 0:00 Intro 4:02 Why Not the Atlantic, Indian, or Land? 9:07 Cheating the Equator 12:37 The First Elevator Might Not Be on Earth See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .

If we could build a space elevator tomorrow, where should it go? Earth may be the obvious answer, but the Moon, Mars, and other worlds may be far easier. We compare the best candidates. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Mad Kings : https://nebula.tv/madkings?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 First Space Elevator: Where Would We Build It? Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Graphics from: Jeremy Jozwik, Ken York, Phil Swan & Sergio Botero Select imagery/video supplied by Getty Images Chapters 0:00 Intro 4:02 Why Not the Atlantic, Indian, or Land? 9:07 Cheating the Equator 12:37 The First Elevator Might Not Be on Earth See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .

Ion drives are slow, quiet, and astonishingly efficient. From asteroid freighters and Mars cargo ships to the infrastructure behind future starships, these patient engines may help build civilization across the Solar System. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout 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: Ion Drives: The Slow Rockets That Win Space Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Stellardrone & Chris Zabriskie 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 .

Ion drives are slow, quiet, and astonishingly efficient. From asteroid freighters and Mars cargo ships to the infrastructure behind future starships, these patient engines may help build civilization across the Solar System. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout 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: Ion Drives: The Slow Rockets That Win Space Written, Produced & Narrated by: Isaac Arthur Music by Epidemic Sound: http://nebula.tv/epidemic Stellardrone & Chris Zabriskie 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 .

For 72 seconds, the universe seemed to answer SETI. The Wow! Signal was strong, narrowband, and strangely convincing... but it never came back. So what actually happened in 1977? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Alien Data Arks, Outsider Aliens, and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection 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 Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm? Written, Produced & Narrated by: Isaac Arthur Graphics: Ken York & Sergio Botero 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 .

For 72 seconds, the universe seemed to answer SETI. The Wow! Signal was strong, narrowband, and strangely convincing... but it never came back. So what actually happened in 1977? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Checkout Alien Data Arks, Outsider Aliens, and our Alien Life Collection: https://nebula.tv/isaacarthur/alien-life-collection 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 Wow! Signal: Alien Message, Cosmic Fluke, or SETI’s Best False Alarm? Written, Produced & Narrated by: Isaac Arthur Graphics: Ken York & Sergio Botero 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 .