How interstellar relays could move data, cargo, and starships between stars using lasers, light sails, and cosmic-scale infrastructure.

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

Watch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology

🛒 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:

Interstellar Relays - Moving Signals and Spaceships Between the Stars

Written, Produced & Narrated by: Isaac Arthur

Graphics from Bryan Versteeg, Fishy Tree, Jeremy Jozwik, Melänovis, Udo Schroeter

Music Courtesy of Chris Zabriskie & Stellardrone

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 interstellar relays could move data, cargo, and starships between stars using lasers, light sails, and cosmic-scale infrastructure.

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

Watch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology

🛒 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:

Interstellar Relays - Moving Signals and Spaceships Between the Stars

Written, Produced & Narrated by: Isaac Arthur

Graphics from Bryan Versteeg, Fishy Tree, Jeremy Jozwik, Melänovis, Udo Schroeter

Music Courtesy of Chris Zabriskie & Stellardrone

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.

Is math truly universal—or just human? Explore how alien minds might think, count, and reason in ways we don’t recognize as mathematics at all.

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

Watch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology

Check 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

🎬 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: Alien Mathematics

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone

Chapters

0:00 Intro

2:02 Why We Expect Mathematics to Be Universal

6:32 Math Is Not the Same Even for Humans

10:47 How Alien Biology Could Reshape Their Mathematics

16:44 Alien Logic: When the Rules Themselves Don’t Match

20:37 Oldest & Newest

21:41 Can We Ever Bridge the Mathematical Gap?

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

Is math truly universal—or just human? Explore how alien minds might think, count, and reason in ways we don’t recognize as mathematics at all.

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

Watch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology

Check 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

🎬 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: Alien Mathematics

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music by Epidemic Sound: http://nebula.tv/epidemic & Stellardrone

Chapters

0:00 Intro

2:02 Why We Expect Mathematics to Be Universal

6:32 Math Is Not the Same Even for Humans

10:47 How Alien Biology Could Reshape Their Mathematics

16:44 Alien Logic: When the Rules Themselves Don’t Match

20:37 Oldest & Newest

21:41 Can We Ever Bridge the Mathematical Gap?

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

How close are we to vacationing in orbit? Space hotels, real costs, and the tipping point where space tourism becomes normal.

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

Watch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology

The Overview Effekt https://nebula.tv/overvieweffekt?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

🚀 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/53GAShE

Credits: Space Hotels - How Close Are We to Vacationing in Orbit?

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music by Epidemic Sound: http://nebula.tv/epidemic

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

How close are we to vacationing in orbit? Space hotels, real costs, and the tipping point where space tourism becomes normal.

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

Watch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology

The Overview Effekt https://nebula.tv/overvieweffekt?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

🚀 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/53GAShE

Credits: Space Hotels - How Close Are We to Vacationing in Orbit?

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music by Epidemic Sound: http://nebula.tv/epidemic

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

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/isaacarthur

Watch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology

Check 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/53GAShE

Credits:

Wormhole Stableways – Constructing and Navigating Artificial Shortcuts Through Space

Written, Produced & Narrated by:

Isaac Arthur

Select imagery/video supplied by Getty Images

Chapters

0:00 Intro

1:38 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 Stableways

30:58 Nebula

32:10 Bridges to Eternity

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

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/isaacarthur

Watch my exclusive video The Future of Interstellar Communication: https://nebula.tv/videos/isaacarthur-chronoengineering-manipulating-time-as-technology

Check 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/53GAShE

Credits:

Wormhole Stableways – Constructing and Navigating Artificial Shortcuts Through Space

Written, Produced & Narrated by:

Isaac Arthur

Select imagery/video supplied by Getty Images

Chapters

0:00 Intro

1:38 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 Stableways

30:58 Nebula

32:10 Bridges to Eternity

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

How and why would humans live far from stars? Explore deep space habitats, artificial suns, megastructures, and life beyond planetary systems.

🛒 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:

Deep Space Habitats – Designing Self-Sustaining Biomes for Interstellar Journeys

Written, Produced & Narrated by:

Isaac Arthur

Graphics from Bryan Versteeg, Fishy Tree, Jeremy Jozwik, Katie Byrne, Ken York, Melänovis, Udo Schroeter

Music Courtesy of Chris Zabriskie & Stellardrone

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 and why would humans live far from stars? Explore deep space habitats, artificial suns, megastructures, and life beyond planetary systems.

🛒 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:

Deep Space Habitats – Designing Self-Sustaining Biomes for Interstellar Journeys

Written, Produced & Narrated by:

Isaac Arthur

Graphics from Bryan Versteeg, Fishy Tree, Jeremy Jozwik, Katie Byrne, Ken York, Melänovis, Udo Schroeter

Music Courtesy of Chris Zabriskie & Stellardrone

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.