The cosmos seem silent and empty of any great interstellar empires, but perhaps they once existed, and if so, what titanic ruins might they have left behind?
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Credits:
The Fermi Paradox: Fallen Empires
Episode 412a, September 17, 2023
Produced, Written & Narrated by:
Isaac Arthur

Editors:
Jerry Guern
Konstantin Sokerin
David McFarlane

Music Courtesy of:
Epidemic Sound http://epidemicsound.com/creator
Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"
Stellardrone, "Red Giant" "Between The Rings"
Taras Harkavyi, "Alpha and...."

The Fermi Paradox: Fallen Empires (Narration Only)

They say space is the future, out among the countless billions and billions of new worlds in our galaxy, but a journey needs a path or road, so what sort of roads will we build in space?
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Credits:  Interplanetary Infrastructure
Episode 412, September 14, 2023
Produced & Narrated by: Isaac Arthur

Written by:
Isaac Arthur

Editors:
Andy Nelson
David McFarlane
Merv Johnson
Phil Swan

Interplanetary Infrastructure (Narration Only)

To travel between the stars requires vast amounts of fuel and energy, but as it turns out, the ocean of night in deep space is full of fuel, if you can collect it along the way.

The Fishback ramjet revisited: https://www.sciencedirect.com/science/article/pii/S0094576521005804

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Credits:  Bussard Ramjet Starship Drive
Episode 411b, September 10, 2023
Written, Produced & Narrated by: Isaac Arthur

Bussard Ramjet Starship Drive (Narration Only)

Science fiction has popularized asteroid mining and cities in the sky, but could the future of mining be in cloud cities hanging far above distant worlds?
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Chapters
0:00 Intro
02:08 Venus-like worlds
08:48 Titan Moons
12:38 Ice Giants / Hycean [buoyancy viable]
17:23 Gas Giants – fusion candle and others
22:02 Starlifting
26:16 Stellar Remnants
27:15 Black Hole Series

Credits: Atmospheric Mining
Episode 413, September 21, 2023
Written, Produced & Narrated by: Isaac Arthur

Editors:
David McFarlane
Konstantin Sokerin

Atmospheric Mining (Narration Only)

We often wonder where we might find a truly sustainable and abundant source of energy, and the answer might turn out to be in the emptiness all around us.
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Credits: Zero Point Energy & Vacuum Energy
Episode 415, October 5, 2023
Written by:
Isaac Arthur
Vlad Ardelean

Produced & Narrated by:
Isaac Arthur

Editor:
David McFarlane
Vlad Ardelean

Music Courtesy of: 
Epidemic Sound http://epidemicsound.com/creator
Stellardrone, "Red Giant" "The Divine Cosmos"

Zero Point Energy & Vacuum Energy

Space is often called the final frontier, a place of billions and billions of worlds awaiting explorers and pioneers. But what will those journeys be like, and what gear will people need for them, and perhaps most importantly of all, what sort of people will make those travels?

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Credits:
Have Space Suit - Will Travel
Episode 414, September 28, 2023
Produced, Written & Narrated by:
Isaac Arthur

Editors:
David McFarlane
Merv Johnson II

Graphics:
Bryan Versteeg
Darth Biomech
Fishy Tree
Jeremy Jozwik
Sergio Botero
Udo Schroeter

Have Space Suit  - Will Travel (Narration Only)

The industrial revolution saw the rise of factories so big they often grew entire towns or cities around them to operate, but in the future entire planets might be used to fuel the titanic projects for conquering the stars themselves. 
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Credits: Forgeworlds & Industrial Planets
Episode 416a; October 15, 2023

Written by:
Briana Brownell
Isaac Arthur

Produced & Narrated by:
Isaac Arthur

Editors:
Briana Brownell
Brian Ganley
Lukas Konecny

Forgeworlds & Industrial Planets (Narration Only)

As medical science improves and lifespans rise, we must consider not only if life extension is possible, but if it is ethical.
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Credits: Is Life Extension Ethical?
Episode 417; October 19, 2023
Written, Produced & Narrated by:
Isaac Arthur

Editor:
David McFarlane

Is Life Extension Ethical? (Narration Only)

Spacecraft may one day be so common that everyone has flown on one, with thousands of new spaceships being built every year in manufacturies dwarfing the enormous facilities we build planes and sea-going vessels in. 
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Credits: Spaceship Factories
Episode 416a; October 15, 2023
Written, Produced & Narrated by:
Isaac Arthur

Editor:
Briana Brownell
David McFarlane

Music Courtesy of 
Epidemic Sound http://epidemicsound.com/creator
Stellardrone, "Red Giant", "Cosmic Sunrise"
Miguel Johnson, "So Many Stars", "Strange New World"

Spaceship Factories

Spacecraft may one day be so common that everyone has flown on one, with thousands of new spaceships being built every year in manufacturies dwarfing the enormous facilities we build planes and sea-going vessels in. 
Learn more about the game and see it in action at upperstory.com/spintronics
Use the coupon code ISAACARTHUR for 10% off your total purchase

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Credits: Spaceship Factories
Episode 416a; October 15, 2023
Written, Produced & Narrated by:
Isaac Arthur

Editor:
Briana Brownell
David McFarlane

Spaceship Factories (Narration Only)

In some of our greatest wars on this world we have seen entire regions covered in fortifications, but in great wars across whole regions of our galaxy, could we see entire planets fortified?

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Credits: Fortress Worlds
Episode 418; October 26, 2023
Written, Produced & Narrated by:
Isaac Arthur