have you ever heard of Ian Douglas? in his books star carrier there are people that have and use teck and thews who do not. and speak about hoe they treat each other. let me know and I'll buy you a book on audible. 

Isaac Arthur

Could we survive on a world where even lifting a coffee cup is a struggle? Discover how high-gravity planets shape life, technology, and the future of space colonization. From immense super-Earths to black holes, we examine the worlds where gravity rules all.

Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science
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Credits:
High-Gravity Worlds: The Planets That Crush You 
Episode 491; March 20, 2025
Written, Produced & Narrated by: Isaac Arthur
Graphics by: Jeremy Jozwik, Ken York, and Sergio Botero 
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Oxygen Garden"
Stellardrone, "Red Giant", "Billions and Billions"

High-Gravity Worlds: The Planets That Crush You

Buzz Aldrin’s legacy extends far beyond his historic steps on the Moon. As a visionary engineer and space advocate, he pioneered the concept of the Aldrin Cycler, a revolutionary spacecraft trajectory that could enable safe, efficient, and cost-effective missions to Mars and beyond. In this episode, we explore how cycler spacecraft function, their potential to transform interplanetary travel, and why they remain a compelling solution for future space exploration. Join us as we celebrate the contributions of one of spaceflight’s greatest pioneers and examine the technology that could one day carry humanity to the Red Planet and beyond.

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Credits:
Buzz Aldrin's Cyclers  - A Safe Spaceship To Mars And Beyond
Episode 489a; March 10, 2025
Written, Produced & Narrated by: Isaac Arthur
Edited by: Rod Pyle
Select imagery/video supplied by Getty Images

Buzz Aldrin's Cyclers - A Safe Spaceship To Mars And Beyond

Are rogue machines lurking in the cosmos, quietly outlasting their creators? We explore the eerie possibility that ancient AI remnants, abandoned or self-replicating, could be hidden throughout the galaxy—watching, waiting, and perhaps even shaping the fate of civilizations.

Watch my exclusive video Post-Consciousness Civilizations: https://nebula.tv/videos/isaacarthur-postconsciousness-civilizations-evolving-beyond-human-awareness
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Credits:
The Fermi Paradox  & Zombie AI: Are Rogue Machines Hiding in the Cosmos? 
Episode 494; April 10, 2025
Written, Produced & Narrated by: Isaac Arthur 
Editors: Briana Brownell & Donagh Broderick
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Phase Shift, "Forest Night"
Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Oxygen Garden"
Stellardrone, "Red Giant", "Billions and Billions"

The Fermi Paradox  & Zombie AI: Are Rogue Machines Hiding in the Cosmos? (Narration Only)

If aliens invaded, how would humanity respond? From planetary defense and space warfare to unexpected diplomatic twists, we’ll explore the strategies, technologies, and scenarios that could decide our fate.

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Credits:
We've Been Invaded By Aliens... Now What?
Episode 494a; April 13, 2025
Written, Produced & Narrated by: Isaac Arthur
Edited by: Ludwig Luska
Graphics: Jeremy Jozwik, Ken York YD Visual, Legiontech Studios
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Sergey Cheremisinov, "Labyrinth"
Markus Junnikkala, "A Fleet Behind the Moon"
Phase Shift, "Forest Night"
Chris Zabriskie, "Unfoldment, Revealment",  "A New Day in a New Sector"
Stellardrone, "Red Giant"

We've Been Invaded By Aliens... Now What?

From genetically engineered warriors to armored giants storming enemy ships, we explore the science and fiction of space marines—super-soldiers built to conquer the stars. Join us as we examine real-world technologies and speculative enhancements that might one day bring these legendary troops to life.

Watch my exclusive video Post-Consciousness Civilizations: https://nebula.tv/videos/isaacarthur-postconsciousness-civilizations-evolving-beyond-human-awareness
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Credits:
Post-Scarcity Civilizations: Infinite Resources & Our Future
Episode 495a; April 20, 2025
Written, Produced & Narrated by: Isaac Arthur
Graphics: Jeremy Jozwik
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Markus Junnikkala, "A Fleet Behind the Moon"
Phase Shift, "Forest Night"
Chris Zabriskie, "Unfoldment, Revealment",  "A New Day in a New Sector"Stellardrone, "Red Giant", "Billions and Billions"

Space Marines (Narration Only)

What if humanity’s future isn’t on Earth—or even other planets—but in colossal artificial worlds built in space? In this episode, we explore the O’Neill Cylinder, a visionary space habitat that could house millions, serve as interstellar arks, and transform the cosmos into a network of orbital civilizations. Join us as we dive into the design, potential, and profound societal implications of these Islands in the Sky.

Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science
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Credits:
The O'Neill Cylinder Space Habitat: Islands In The Sky
Episode 496; April 24, 2025
Written, Produced & Narrated by: Isaac Arthur
Edited by: Briana Brownell
Graphics: Anthrofuturism, Apogii.uk, Katie Byrne, Jarred Eagley, Jeremy Jozwik, Justin Dixon, Ken York YD Visual, Sergio Botero, Udo Schroeter
Select imagery/video supplied by Getty Images 
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Markus Junnikkala, "A Fleet Behind the Moon"
Phase Shift, "Forest Night"
Kai Engel, "Endless Story About Sun and Moon"
Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector"
Taras Harkavyi, "Alpha and..."
Stellardrone, "Red Giant", "Billions and Billions"

The O'Neill Cylinder Space Habitat: Islands In The Sky (Narration Only)

The Orbital Ring is a type of launch-assist system that goes beyond moving small ships and crews into space and allows cheap movement of bulk cargo up to space, into orbit, and beyond.

Watch the video: https://youtu.be/LMbI6sk-62E

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Cover Art by Jakub Grygier: https://www.artstation.com/artist/jakub_grygier

Graphics Team:
Jarred Eagley
Katie Byrne
Misho Yordanov
Murat Mamkegh
Pierre Demet
Sergio Botero
Stefan Blandin

Script Editing:
Andy Popescu
Connor Hogan
Edward Nardella
Eustratius Graham
Gregory Leal
Jefferson Eagley
Luca de Rosa
Michael Gusevsky
Mitch Armstrong
MolbOrg
Naomi Kern
Philip Baldock
Sigmund Kopperud
Steve Cardon
Tiffany Penner

Orbital Rings (Narration Only)

Use my link http://www.audible.com/isaac and get a free audio book with a 30 day trial!

In the previous episode we saw how civilizations might not simply survive after all the stars in the Universe had died, but might indeed  thrive far better during the Black Hole Era of the Universe. Today, we will go beyond even the Dark Era to examine the concepts or Iron Star Civilizations, Boltzmann Brains, Reversible Computing, and even reversing Entropy itself.

Watch the video version: https://youtu.be/Pld8wTa16Jk

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Cover Art by Jakub Grygier: https://www.artstation.com/artist/jakub_grygier

Graphics Team:
Edward Nardella
Jarred Eagley
Justin Dixon
Katie Byrne
Misho Yordanov
Murat Mamkegh
Pierre Demet
Sergio Botero
Stefan Blandin

Script Editing:
Andy Popescu
Connor Hogan
Edward Nardella
Eustratius Graham
Gregory Leal
Jefferson Eagley
Luca de Rosa
Michael Gusevsky
Mitch Armstrong
MolbOrg
Naomi Kern
Philip Baldock
Sigmund Kopperud
Steve Cardon
Tiffany Penner

Civilizations at the End of Time: Iron Stars (Narration Only)

We begin the new Outward Bound series by discussing the Colonization of Mars, and survey all the colonizing and terraforming options from the early settlement days to the far future and a Green Mars. 

We will also look at alternatives to terraforming which might make more sense for Mars, like bioforming the people to the environment, rather than terraforming it to our environment.

Watch the video version: https://youtu.be/kmFOBoy2MZ8

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Cover Art by Jakub Grygier: https://www.artstation.com/artist/jakub_grygier

Graphics Team:
Edward Nardella
Jarred Eagley
Justin Dixon
Katie Byrne
Kris Holland of Mafic Stufios: www.maficstudios.com
Misho Yordanov
Murat Mamkegh
Pierre Demet
Sergio Botero
Stefan Blandin

Script Editing:
Andy Popescu
Connor Hogan
Edward Nardella
Eustratius Graham
Gregory Leal
Jefferson Eagley
Luca de Rosa
Mark Warburton
Michael Gusevsky
Mitch Armstrong
MolbOrg
Naomi Kern
Philip Baldock
Sigmund Kopperud
Steve Cardon
Tiffany Penner

Colonizing Mars (Narration Only)

It is often thought that if we cure aging or find out how to upload a human mind that humans will be immortal. Today we will examine that notion and see how well it holds up against astronomical timelines.

Watch the video version: https://youtu.be/6icg0tu_5z4

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Cover Art by Jakub Grygier: https://www.artstation.com/artist/jakub_grygier

Graphics Team:
Edward Nardella
Jarred Eagley
Justin Dixon
Katie Byrne
Kris Holland of Mafic Stufios: www.maficstudios.com
Misho Yordanov
Pierre Demet
Sergio Botero: https://www.artstation.com/sboterod?fref=gc
Stefan Blandin

Script Editing:
Andy Popescu
Connor Hogan
Edward Nardella
Eustratius Graham
Gregory Leal
Jefferson Eagley
Luca de Rosa
Mark Warburton
Michael Gusevsky
Mitch Armstrong
MolbOrg
Naomi Kern
Philip Baldock
Sigmund Kopperud
Steve Cardon
Tiffany Penner

Digital Death (Narration Only)

A look at the concept of Self-Replicating Machines, Universal Assemblers, von Neumann Probes, Grey Goo, and Berserkers. While we will discuss the basic concept and some on-Earth applications like Medical Nanotechnology our focus will be on space exploration and colonization aspects.

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Self - Replicating Machine (Narration Only)

A trip deep into the far future, to the End of Earth
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For most of human history, the end of Earth, the Universe, and Time itself were all identical, now we know the world will end in 4 billion years, long before the Universe begins to wind down. Today we will ask how we can extend that, and keep Earth around for far longer.

Watch the video version: https://youtu.be/p58yFf7aZsM

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Cover Art by Jakub Grygier: https://www.artstation.com/artist/jakub_grygier

Script Editing
Edward Nardella
Keith Blockus
Mark Warburton
Matthew Acker
MolbOrg
N Kern
Sigmund Kopperud (Wicked Woxel)

Graphics Team:
Edward Nardella
Jeremy Jozwik
Jarred Eagley
Justin Dixon
Jeremy Jozwik
Katie Byrne
Kris Holland of Mafic Stufios: www.maficstudios.com
Luuk Warringa
Mihail Yordanov
Murat Mamkegh
Nick Talmers Nieuwoudt
Pierre Demet
Sergio Botero: https://www.artstation.com/sboterod?fref=gc
Stefan Blandin

Music Supervisor
Luca De Rosa

Music:
Markus Junnikkala, "Always Tell me the odds"
Sergey Cheremisinov, "Back to Home"
Kai Engel, "Soli"
Ayreon, "Frequency Modulation"
Ayreon, "String Theory"
Ayreon, "The Theory of Everything, Part 3"
Dexter Britain, "After The Week I've Had"
Markus Junnikkala, "A Fleet Behind The Moon"
NJ Mandavilel, "The Resting Vale"
Ayreon, "Age Of Shadows"
Lombus, "Hydrogen Sonata"
Kevin MacLeod, "Spacial Winds"
Brandon Liew, "Into the Storm"

Dying Earth [Narration Only]

One of the biggest reasons for colonizing other worlds is to ensure we don't die with our own sun, but even those alien suns we might travel to will die one day. And yet, our image of stars living than erupting spectacular as a red giant or supernova, present a somewhat false impression, as those stellar remnants often last far longer than the stars which bore them. Could civilizations survive around these dead stars? Could they even outlast the End of the Universe, as the last stars fade away?

Watch the video version: https://youtu.be/GpYGMIZ9Bow
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Credits:
Civilizations at the End of Time: Dying Stars
Episode 178, Season 5 E12

Written by:
Isaac Arthur

Editors:
Andrew Norman
Darius Said
Evan Schultheis
Keith Blockus
Konstantin Sokerin
Matthew Acker
Stuart Graham https://beyondnerva.wordpress.com

Cover Art:
Jakub Grygier https://www.artstation.com/jakub_grygier

Graphics by:
Fishy Tree https://www.deviantart.com/fishytree/
Jarred Eagley
Jeremy Jozwik https://www.artstation.com/zeuxis_of_losdiajana
Ken York https://www.facebook.com/YDVisual/
Sergio Botero https://www.artstation.com/sboterod?fref=gc

Produced & Narrated by:
Isaac Arthur

Music:
Markus Junnikkala, "Always Tell Me the Odds" https://www.markusjunnikkala.com/
Lombus, "Hydrogen Sonata" https://lombus.bandcamp.com
A.J. Prasad of Dark Future, "Staring Through, pt1" https://www.youtube.com/watch?v=xA8-7qwaEPU
Aerium, "Fifth Star of Aldebaran" https://www.youtube.com/channel/UCRnUJY3l5vIJFGsY3XvW4dQ
A.J. Prasad of Dark Future, "Cold Shadow" https://www.youtube.com/watch?v=xA8-7qwaEPU
Phase Shift, "Forest Night" https://www.last.fm/music/Phase+Shift/_/Enigmatic

Dying Stars (Narration Only)

We continue our discussion of the Boltzmann Brain - a hypothetical randomly assembled mind rather than an evolved one - by looking at the Anthropic Principle and the Fine-Tuned Universe Theory, alternative ways of viewing the probability of our existence than the classic Copernican Principle. 
Watch the video versions:
Part 1: https://www.youtube.com/watch?v=9UfQb_-XAuY
Part 2: https://youtu.be/GrK9EaQRp2I


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Credits:
Boltzmann Brains, Part 2: The Anthropic Principle
Episode 195b, Season 5 E30b

Written by:
Isaac Arthur
Jade Tan-Holmes

Script Editor:
Olly Epsom

Produced & Narrated by:
Isaac Arthur
Jade Tan-Holmes

Music:
Markus Junnikkala,
"Plotting a Course" & "We Roam the Stars"
https://www.markusjunnikkala.com

Boltzmann Brains

An Introduction to SFIA's Civilizations at the End of Time series, looking at how we might go about surviving the end of the world, the end of all stars, and even entropy itself.

Civilizations At The End Of Time Series Introduction

According to modern cosmology, one day all the stars will burn out and the Universe will be full of dead planets, black holes, and other stellar remnants, slowing decaying till entropy brings the Heat Death of the Universe. But could this fate be postponed or even reversed?

Watch the video version: https://youtu.be/80tdw-kBiu8
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Credits:
Postponing the Heat Death of the Universe
Episode 225; Feb 13, 2020

Writers:
Isaac Arthur

Editors:
Darius Said
Jerry Guern
Keith Blockus
Phonetic Failure

Produced & Narrated by:
Isaac Arthur

Cover Art:
Jakub Grygier

Graphics:
Jeremy Jozwik https://www.artstation.com/zeuxis_of_losdiajana
Ken York https://www.facebook.com/YDVisual/

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

Dying Earth [Narration Only]

Isaac Arthur

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Philomath (PhilomathNous)

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