Clearing Space Debris

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Space is huge, immense beyond our wildest dreams. In order to explore and settle it, we’ll need to learn to dream a lot bigger and bolder than ever before.

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Credits:
Interstellar Colonization Compendium
Episode 455; July 11, 2024
Produced & Written: Isaac Arthur
Narrated by: Isaac Arthur & Sarah Fowler Arthur
Editor: Donagh Broderick
Graphics:
Apogii.uk
Bryan Versteeg
Fishy Tree
Jarred Eagley
Jeremy Jozwik
Katie Byrne
Ken York YD Visual
LegionTech Studios
Mafic Studios
Mark O'Bannon
Rapid Thrash
Sergio Botero
Tactical Blob
Udo Schroeter
Select imagery/video supplied by Getty Images
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Lombus, "Cosmic Soup"
Markus Junnikkala, "A Memory Of Earth"
Miguel Johnson, "So Many Stars"
Sergey Cheremisinov, "Sirius", "Labyrinth", "Seven Lights"
Stellardrone, "In Time", "Eternity", "Red Giant", "The Divine Cosmos"
Tara Harkavyi, "Alpha and..."

0:00:00 Intro
0:02:43 Table of Contents
0:04:27 Motivations
0:06:03 Exploration
0:07:43 Population Growth
0:13:12 Resources
0:14:53 Long Term Safety
0:16:20 Escape
0:19:30 Funding & Investment
0:26:32 Spaceship Drives
0:32:08 Ion Drive
0:33:49 Orion Drive
0:34:46 Fusion Drive
0:37:15 Black Hole Drive
0:38:53 Beaming Systems
0:43:09 Ship Types
0:45:26 Faster Than Light Ships
0:46:49 Micro-Jump Ships
0:49:49 Generation Ships
0:59:09 Sleeper Ships
1:05:17 Methuselah Ships
1:10:25 Gardener Ships
1:15:58 Von Neumann Probes
1:18:42 Seed Ships
1:22:18 Data Ships
1:24:29 Ship Shape & Collisions
1:27:22 Collector Ships
1:30:25 Planet Ships
1:32:09 Hybrid Ships
1:34:05 Colonization Strategies
1:35:25 Lowest Hanging Fruit
1:37:58 Percolation Theory
1:40:28 Backfilling Systems
1:42:05 Closest Available System
1:44:31 Crawlonizing
1:49:14 Gardener Chains & Cones
1:51:03 Automated Vanguard
1:54:12 Central Collection
1:55:29 FTL & Multiverse Strategies
1:57:53 Early Settlement
1:59:07 Planets vs Moons
2:00:44 Aurora Effect
2:03:03 Orbital Infrastructure
2:04:42 Getting Neighbors
2:07:16 Solar Economy
2:08:19 Sending Out New Arks
2:10:40 Sponsor
2:11:58 Schedule
2:12:56 Outro

The dangers of artificial intelligence have long loomed in our future, and seem ever closer. But it may be that the dangers of the future can reach back into the past itself, and even without a time machine.

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Credits:
Roko's Basilisk
Episode 454; July 4, 2024
Produced, Written & Narrated by: Isaac Arthur
Graphics: Jeremy Jozwik
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Stellardrone, "Red Giant", "Ultra Deep Field"
Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"

Our universe is a strange place, with underlying rules we’re only just beginning to understand, but could the strangest thing of all about our Universe be that we are able to live here to observe it in the first place?

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Credits:
The Fermi Paradox: Fine-Tuned Universe
Episode 456; July 18, 2024
Produced, Narrated & Written: Isaac Arthur
Graphics:
Jeremy Jozwik
Select imagery/video supplied by Getty Images
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Music Courtesy of Epidemic Sound
Lombus, "Cosmic Soup"
Stellardrone,"Red Giant", "The Divine Cosmos", "Eternity", "In Time"

An extended exploration of what science tells us about free will and consciousness in a quantum universe, including Sir Roger Penrose's theory of Orchestrated Objective Reduction.

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Episode 353a, June 30, 2024 Written, Produced & Narrated by Isaac Arthur
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
Select imagery/video supplied by Getty Images

The galaxy has many stars orbited by many planets, and many of these are orbited by immense icy moons, but could others have oceans on their surface, or even life?

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Credits:
Oceanic Moons
Episode 451; June 13, 2024
Written, Narrated & Produced by: Isaac Arthur
Music Courtesy of Epidemic Sound Epidemic Sound http://epidemicsound.com/creator