Science & Futurism with Isaac Arthur

Latest Episodes:

Can You Survive Inside a Star? (Narration Only) Jul 30, 2026

Show notes

Can you survive inside a star? The answer is stranger than “no.” Explore plasma storms, red giants, magnetic shields, and how future civilizations might turn stars into fortresses.

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements

Check out Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaacarthur

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

Credits:

Can You Survive Inside a Star?

Written, Produced & Narrated by: Isaac Arthur

Editor: Lukas Konecny

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.

Can You Survive Inside a Star? Jul 30, 2026

Show notes

Can you survive inside a star? The answer is stranger than “no.” Explore plasma storms, red giants, magnetic shields, and how future civilizations might turn stars into fortresses.

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements

Check out Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaacarthur

🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/

🌐 Visit our Website: http://www.isaacarthur.net

❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur

⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur

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

📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/

🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur

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

Credits:

Can You Survive Inside a Star?

Written, Produced & Narrated by: Isaac Arthur

Editor: Lukas Konecny

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.

Mass Drivers on the Moon - Enabling a Lunar Economy Jul 26, 2026

Show notes

The Moon may be dusty and desolate, but its future could be full of traffic. In this extended edition, we explore how mass drivers, rockets, space elevators, and orbital logistics could turn the Moon into the industrial gateway of the Solar System.

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch Mad Kings: https://nebula.tv/madkings?ref=isaacarthur

Visit our Website: http://www.isaacarthur.net

Join Nebula: https://go.nebula.tv/isaacarthur

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

Credits:

Mass Drivers on the Moon: Enabling a Lunar Economy

Written, Produced & Narrated by: Isaac Arthur

Editor: Phil Swan

Graphics:

Apogii.uk

Anthrofuturism

Jeremy Jozwik

Sergio Botero

Phil Swan

Select imagery/video supplied by Getty Images

Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Chapters

0:00 Intro

0:09 Why the Moon, Why Launch?

4:12 Mass Drivers: The Basics and the Vision

8:24 Building the Lunar Launch Rail

13:15 The Big Advantages: Why Mass Drivers—And Why the Moon?

20:09 Challenges and Engineering Considerations

28:29 Rockets and Space Elevators: Friends or Rivals?

31:06 The Logistics Web of the Moon

32:30 The Roadmap: From Testbed to Trade Empire

34:28 Mad Kings

35:35 The Moon as Our First Cosmic Freight Terminal

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

Mass Drivers on the Moon - Enabling a Lunar Economy (Narration Only) Jul 26, 2026

Show notes

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch Mad Kings: https://nebula.tv/madkings?ref=isaacarthur

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:

Mass Drivers on the Moon: Enabling a Lunar Economy

Written, Produced & Narrated by: Isaac Arthur

Editor: Phil Swan

Graphics:

Apogii.uk

Anthrofuturism

Jeremy Jozwik

Sergio Botero

Phil Swan

Select imagery/video supplied by Getty Images

Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Chapters

0:00 Intro

0:09 Why the Moon, Why Launch?

4:12 Mass Drivers: The Basics and the Vision

8:24 Building the Lunar Launch Rail

13:15 The Big Advantages: Why Mass Drivers—And Why the Moon?

20:09 Challenges and Engineering Considerations

28:29 Rockets and Space Elevators: Friends or Rivals?

31:06 The Logistics Web of the Moon

32:30 The Roadmap: From Testbed to Trade Empire

34:28 Mad Kings

35:35 The Moon as Our First Cosmic Freight Terminal

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

Molecular Industry: Factories Made of DNA (Narration Only) Jul 23, 2026

Show notes

What if the future of industry isn’t giant factories, but molecular machines too small to see? DNA factories could repair bodies, grow habitats, and transform civilization.

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements

Check out Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaacarthur

🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/

🌐 Visit our Website: http://www.isaacarthur.net

❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur

⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur

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

📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/

🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur

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

Credits:

Molecular Industry: Factories Made of DNA

Written, Produced & Narrated by: Isaac Arthur

Editor: Lukas Konecny

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.

Molecular Industry: Factories Made of DNA Jul 23, 2026

Show notes

What if the future of industry isn’t giant factories, but molecular machines too small to see? DNA factories could repair bodies, grow habitats, and transform civilization.

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements

Check out Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaacarthur

🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/

🌐 Visit our Website: http://www.isaacarthur.net

❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur

⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur

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

📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/

🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur

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

Credits:

Molecular Industry: Factories Made of DNA

Written, Produced & Narrated by: Isaac Arthur

Editor: Lukas Konecny

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.

How New Space Settlements Avoid Early Collapse Jul 21, 2026

Show notes

Space colonies may reach the stars… then collapse. From fragile ecosystems to genetic drift and incentive failure, how do new settlements survive long enough to become civilizations?

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch 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:

How New Space Settlements Avoid Early Collapse

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

0:17 The Aurora Effect

2:52 Ecological Fragility and the Minimum Viable Ecosystem

5:29 Mutational Load and Genetic Drift

8:05 The Information Umbilical

10:21 Incentive Collapse

13:15 The Wait Calculation

15:35 Engineering Stable Colonies

21:38 Mad Kings

22:49 From Fragile Outposts to Stable Civilizations

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

How New Space Settlements Avoid Early Collapse (Narration Only) Jul 21, 2026

Show notes

Space colonies may reach the stars… then collapse. From fragile ecosystems to genetic drift and incentive failure, how do new settlements survive long enough to become civilizations?

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch 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:

How New Space Settlements Avoid Early Collapse

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

0:17 The Aurora Effect

2:52 Ecological Fragility and the Minimum Viable Ecosystem

5:29 Mutational Load and Genetic Drift

8:05 The Information Umbilical

10:21 Incentive Collapse

13:15 The Wait Calculation

15:35 Engineering Stable Colonies

21:38 Mad Kings

22:49 From Fragile Outposts to Stable Civilizations

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

What Are the Limits of Human Knowledge? Jul 19, 2026

Show notes

Can humanity ever know everything? Explore the hard limits of knowledge: cosmic horizons, quantum measurement, chaos, computation, lost meaning, AI, wisdom, and the shoreline of the unknown.

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements

Check out Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaacarthur

🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/

🌐 Visit our Website: http://www.isaacarthur.net

❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur

⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur

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

📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/

🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur

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

Credits:

What Are the Limits of Human Knowledge?

Written, Produced & Narrated by: Isaac Arthur

Music Courtesy of Stellardrone & Chris Zabriskie

Editor: Donagh Broderick

Select imagery/video supplied by Getty Images

Chapters

0:00 Intro

1:58 The Horizon of Observation

7:01 The Horizon of Measurement

11:45 The Sealed Envelope

14:02 The Horizon of Computation

21:34 The Horizon of Meaning

26:25 The Horizon of Mind and Wisdom

31:09 Gods & Monsters

32:24 The Expanding Shoreline

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

What Are the Limits of Human Knowledge? (Narration Only) Jul 19, 2026

Show notes

Can humanity ever know everything? Explore the hard limits of knowledge: cosmic horizons, quantum measurement, chaos, computation, lost meaning, AI, wisdom, and the shoreline of the unknown.

Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur

Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements

Check out Gods & Monsters: https://nebula.tv/curiousarchive/gods-and-monsters?ref=isaacarthur

🛒 SFIA Merchandise: https://isaac-arthur-shop.fourthwall.com/

🌐 Visit our Website: http://www.isaacarthur.net

❤️ Support us on Patreon: https://www.patreon.com/IsaacArthur

⭐ Support us on Subscribestar: https://www.subscribestar.com/isaac-arthur

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

📣 Reddit Community: https://www.reddit.com/r/IsaacArthur/

🐦 Follow on Twitter / X: https://twitter.com/Isaac_A_Arthur

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

Credits: