Science & Futurism with Isaac Arthur

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.

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💬 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.