Meet the caretaker AIs: guardians of planets, habitats, and civilizations. What happens when machines become the spirit and soul of the worlds they protect?

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles

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Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

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SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Caretaker AI & Genus Loci 2025 Edition

Written, Produced & Narrated by: Isaac Arthur

Editors: Ludwig Luska

Graphics:

Bryan Versteeg

Jeremy Jozwik

Ken York YD Visual

Kris Holland Mafic Studios

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.

Meet the caretaker AIs: guardians of planets, habitats, and civilizations. What happens when machines become the spirit and soul of the worlds they protect?

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! 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/

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Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Caretaker AI & Genus Loci 2025 Edition

Written, Produced & Narrated by: Isaac Arthur

Editors: Ludwig Luska

Graphics:

Bryan Versteeg

Jeremy Jozwik

Ken York YD Visual

Kris Holland Mafic Studios

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.

From Asimov’s Foundation to Warhammer 40K and Twilight Imperium, science fiction is filled with collapsing empires. But could civilizational decline really explain why the Universe seems so empty?

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! 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

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Facebook Group: https://www.facebook.com/groups/1583992725237264/

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Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Twilight Imperium - When Galactic Civilizations Ebb

Written, Produced & Narrated by: Isaac Arthur

Editor: Lukas Konecny

Select imagery/video supplied by Getty Images

Music Courtesy of Stellardrone and 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.

From Asimov’s Foundation to Warhammer 40K and Twilight Imperium, science fiction is filled with collapsing empires. But could civilizational decline really explain why the Universe seems so empty?

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! 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/

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Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Twilight Imperium - When Galactic Civilizations Ebb

Written, Produced & Narrated by: Isaac Arthur

Editor: Lukas Konecny

Select imagery/video supplied by Getty Images

Music Courtesy of Stellardrone and 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.

Colonies won’t always last forever—sometimes planets revert, habitats decay, and entire worlds are left in ruins. Join us as we examine the life cycle of abandoned space settlements.

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! 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

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Facebook Group: https://www.facebook.com/groups/1583992725237264/

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Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Abandoned Space Colonies - How Worlds Can Unterraform Themselves

Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images

Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and Epidemic Sound http://epidemicsound.com/creator

Chapters

0:00 Intro

4:13 Why Colonies Fail

9:31 Ecological Collapse in Non-Earth Environments

12:39 Case Study – Kaluga-4, Oxygen Depletion

14:34 Unterraforming – How a World Reverts or Mutates

16:45 Abandonment Timelines

19:08 Case Study – Proxima B

22:00 Nebula

Restoration & Resettlement

23:43 Case Study – Valhalla

25:22 System-Level Context

29:05 Long-Term Patterns in a Galactic Civilization

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Colonies won’t always last forever—sometimes planets revert, habitats decay, and entire worlds are left in ruins. Join us as we examine the life cycle of abandoned space settlements.

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! 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/

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Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Abandoned Space Colonies - How Worlds Can Unterraform Themselves

Written, Produced & Narrated by: Isaac ArthurSelect imagery/video supplied by Getty Images

Music Courtesy of Aerium, Stellardrone, Chris Zabriskie, and Epidemic Sound http://epidemicsound.com/creator

Chapters

0:00 Intro

4:13 Why Colonies Fail

9:31 Ecological Collapse in Non-Earth Environments

12:39 Case Study – Kaluga-4, Oxygen Depletion

14:34 Unterraforming – How a World Reverts or Mutates

16:45 Abandonment Timelines

19:08 Case Study – Proxima B

22:00 Nebula

Restoration & Resettlement

23:43 Case Study – Valhalla

25:22 System-Level Context

29:05 Long-Term Patterns in a Galactic Civilization

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

From safety protocols to philosophy, AI alignment asks a hard question: can we build artificial intelligence that truly serves humanity?

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! 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: https://www.reddit.com/r/IsaacArthur/

Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

AI Alignment - Can We Make AI Safe?

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music Courtesy of Stellardrone, Chris Zabriskie, and 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.

From safety protocols to philosophy, AI alignment asks a hard question: can we build artificial intelligence that truly serves humanity?

Watch my exclusive video The Fermi Paradox - Civilization Extinction Cycles: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-civilization-extinction-cycles

Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur

Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur

Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! 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: https://www.reddit.com/r/IsaacArthur/

Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

AI Alignment - Can We Make AI Safe?

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music Courtesy of Stellardrone, Chris Zabriskie, and 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.

The future of computing might be off-world. Learn how orbital data centers could power AI, solar energy, and a thriving space industry.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall.com/

Any comments, corrections, or thoughts on the video? email [email protected]

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: https://www.reddit.com/r/IsaacArthur/

Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Why Data Centers in Space Could Launch a New Space Economy?

Written, Produced & Narrated by: Isaac Arthur

Graphics: Mafic Studios & 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.

The future of computing might be off-world. Learn how orbital data centers could power AI, solar energy, and a thriving space industry.

Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall.com/

Any comments, corrections, or thoughts on the video? email [email protected]

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: https://www.reddit.com/r/IsaacArthur/

Twitter: https://twitter.com/Isaac_A_Arthur on Twitter and RT our future content.

SFIA Discord Server: https://discord.gg/53GAShE

Credits:

Why Data Centers in Space Could Launch a New Space Economy?

Written, Produced & Narrated by: Isaac Arthur

Graphics: Mafic Studios & 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.