In the future humanity may build enormous structures, feats of mega-engineering that may rival planets or even be of greater scope. This episode catalogs roughly 100 major types of Megastructure, from those that are cities in space to those that rival galaxies.

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The Megastructure Compendium
Science & Futurism with Isaac Arthur
Episode 346, June 9, 2022
Written & Produced by Isaac Arthur
Narrated by Isaac Arthur & Sarah Fowler Arthur

Editors:
David McFarlane
Graeme Kilshaw
Sarah Fowler Arthur
Sig’unnr’s Deluge

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

Graphics:
Bryan Versteeg
Fishy Tree
Jarred Eagley
Jeremy Jozwik https://www.artstation.com/zeuxis_of_losdiajana
Justin Dixon
Katie Byrne
Ken York Ken York of YD Visual https://www.facebook.com/YDVisual/
Mafic Studios
Mike Munt (Apogii)
Rapid Thrash
Sergio Botero https://www.artstation.com/sboterod?fref=gcJarred Eagley
Stephen Huck
Steve Bowers
Udo Schroeter

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

The Megastructure Compendium (Narration Only)

The galaxy is a harsh place full of desolate and barren planets, but some worlds may be so deadly they actively seek to kill those who dare to travel to them.
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Death Worlds
Episode 432; February 1, 2024
Produced, Written & Narrated by: Isaac Arthur

Editors:
Alex Civitello

Death Worlds February (Narration Only)

Until recently a planet-wide state of quarantine seemed almost unimaginable, but in the future could entire planets be quarantined from the rest of space, and what dreadful causes could necessitate such measures?

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Quarantined Planets
Episode 433a; February 11, 2024
Produced, Written & Narrated by: Isaac Arthur

Quarantined Planets (Narration Only)

We have gazed upon the Moon with wonder since the dawn of humanity, and named its craters as seas, but could those become true seas one day?
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Can We Terraform The Moon?
Episode 435; February 22, 2024
Produced, Written & Narrated by: Isaac Arthur

Editors:
Donagh Broderick

Can We Terraform The Moon? (Narration Only)

As ever more automation works its way into our legal system and courts, we must ask what challenges and advantages AI has in justice, and if AI will come to be our judge and jury.
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Automated Justice
Episode 438a; March 17, 2024
Produced & Narrated by: Isaac Arthur
Written by: Isaac Arthur & Mark Warburton
Editors: Dillon Ollander & Konstantin Sokerin

Music Courtesy of:
Epidemic Sound  http://epidemicsound.com/creator
Frank Dorittke, "Morninglight"
Stellardrone, "A Moment of Stillness", "Blinking Star"
Sergey Cheremisinov, "Labyrinth",
Aerium, "Deiljocht"
Lombus, "Cosmic Soup", "Hydrogen Sonata"

Automated Justice (Narration Only)

The Red Planet beckons us toward it, and the day draws closer when humans will walk on its dusty surface, and the moons of Mars, Phobos & Deimos, may be our gateway to that future.

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Credits:
Settling Mars: Phobos & Deimos
Episode 438; March 14, 2024
Produced, Written & Narrated by: Isaac Arthur
Editors: Israel Debro

Settling Mars: Phobos And Deimos (Narration Only)

One day humanity may settle countless worlds, but could any nation hope to govern multiple planets or even star systems?
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Multi-Planetary Empires
Episode 440a; March 31, 2024
Produced, Written & Narrated by: Isaac Arthur
Editors:
Donagh Broderick
Briana Brownell

Multi-Planetary Empires (Narration Only)

Space offers a variety of clean and abundant sources of power, but how can we get them down to Earth? And which are safe and economical?
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Clean Energy From Space
Episode 441; April 4, 2024
Produced, Written & Narrated by: Isaac Arthur
Editors: Dale Skran & Rod Pyle

Clean Energy From Space (Narration Only)

We often worry that the reason we hear nothing in our search for extraterrestrial intelligence is that travel to other stars is just too hard, but what if a civilization decides it’s just too dangerous to allow?
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Credits:
The Fermi Paradox:  The Cronus Scenarios 
Episode 441; April 7, 2024
Produced, Written & Narrated by: Isaac Arthur
Editors: Briana Brownell

The Fermi Paradox: The Cronus Scenarios (Narration Only)

We are fascinated by portals between worlds, gateways between stars, wormholes through the fabric of reality, but could these be real, and if so, what would the civilizations using them be like?
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Credits:
Stargates
Episode 442a; April 14, 2024 
Produced, Written & Narrated by: Isaac Arthur

Editors:
Donagh Broderick
Merv Johnson II

Music Courtesy of
Epidemic Sound
Lombus, "Cosmic Soup"

Stargates

Aliens are portrayed in Science Fiction both as our potential saviors and best friends, as well as the stuff of nightmares. Would an extraterrestrial civilization be benevolent or terrifying, and how would we seem to them?

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Credits:
Terrifying Aliens
Episode 62; October 29, 2020
Science & Futurism with Isaac Arthur

Written, Produced & Narrated by Isaac Arthur

Editors:
Jerry Guern
Mark Warburton
Matthew Acker
Matthew Campbell

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

Graphics:
Jeremy Jozwik https://www.artstation.com/zeuxis_of_losdiajana
LegionTech Studios https://hades9.com
Tristan3D

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

Automated Justice (Narration Only)

Isaac Arthur

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