Science & Futurism with Isaac Arthur

Bishop Ring Space Habitat is a continent-class space habitat design larger than a country that might house billions or an entire continent's ecosystem Produced, Written & Narrated by: Isaac Arthur Graphics: Steve Bowers Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

As medical science improves and lifespans rise, we must consider not only if life extension is possible, but if it is ethical. Watch my exclusive video Dark Stars At The Beginning Of Time: https://nebula.tv/videos/isaacarthur-dark-stars-at-the-beginning-of-time Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Learn more about Space Vision and SEDS: spacevision.seds.org 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 Credits: Is Life Extension Ethical? Episode 417; October 19, 2023 Written, Produced & Narrated by: Isaac Arthur Editor: David McFarlane Graphics by: Jeremy Jozwik Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant" Chapters 00:00 Intro 02:32 Not Natural 12:18 Immortality Is Wrong 14:16 It Would Get Boring 15:57 Overpopulation 19:50 Unequal Access 23:52 Upward Mobility 27:58 Slows Technological Progress 29:59 Slows Cultural Change 31:22 Erodes Traditional Relationships 32:29 Ends Children 34:55 Makes You Inhuman 37:38 Gradual Life Extension 40:13 Summary 42:04 Dark Stars 43:33 SEDS 44:36 Schedule 46:00 Credits

Earth's temperature is thought to have changed greatly in the past, and even more extreme than in the Ice Ages. We believe once the entire planet may have been frozen over, a Snowball earth. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

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. Watch my exclusive video Dark Stars At The Beginning Of Time: https://nebula.tv/videos/isaacarthur-dark-stars-at-the-beginning-of-time Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur To learn more about the NSS spUN Debates and how to participate, visit: https://space.nss.org/spun-debates/ 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 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 Graphics by: Jarred Eagley Jeremy Jozwik Ken York Legiontech Studios Rapid Thrash Sergio Botero Udo Schroeter Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Markus Junnikkala, "Hail The Victorious Dead" Stellardrone, "Red Giant", "Ultra Deep Field" Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"

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 Spacecraft may one day be so common that everyone has flown on one, with thousands of new spaceships being built every year in manufactories dwarfing the enormous facilities we build planes and sea-going vessels in. 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 Credits: Spaceship Factories Episode 416a; October 15, 2023 Written, Produced & Narrated by: Isaac Arthur Editor: Briana Brownell David McFarlane Graphics by: Aryeh Yakov Katz Gateway Foundation Jeremy Jozwik Katie Byrne Phil Swan Sergio Botero Udo Schroeter Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant", "Cosmic Sunrise" Miguel Johnson, "So Many Stars", "Strange New World" Chapters 0:00 Intro 04:17 Port George 08:14 The Scrapyard 14:35 Nanotech Self-Replicator 17:47 Clanking Self-Replicator 21:17 Ship Mitosis 24:40 Multiverse Piracy

A McKendree Cylinder is a continent-class space habitat design larger than a country that might house billions or an entire continent's ecosystem Produced, Written & Narrated by: Isaac Arthur Graphics: Udo Schroeter Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

LFBOTs, or Luminous Fast Blue Optical Transients, are strange new phenomena of massive and short lived explosions outshining even supernova. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

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. Watch my exclusive video Dark Stars At The Beginning Of Time: https://nebula.tv/videos/isaacarthur-dark-stars-at-the-beginning-of-time Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur More on Infinite Energy https://infiniteenergy.org 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 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 Graphics by: Jeremy Jozwik Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant" "The Divine Cosmos"

Some moons are bigger than planets, and Titan is aptly named, long believed to be biggest moon, but should it or Ganymede around Jupiter hold that title? And where to do planets, moons, and stars begin and end? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

A collection of the first 20 Shorts from SFIA, covering a wide range of topics in science & space. 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-a... Facebook Group: https://www.facebook.com/groups/15839... 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 Credits: Science & Futurism Shorts Compilation #1: 1-20 Episode 414a, October 1, 2023 Written, Produced & Narrated by: Isaac Arthur Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator 00:00 Intro 00:30 Quasar Cannon 1:30 Birch Planets: Galaxy-Sized Worlds 2:30 Aliens Beyond the Galactic Rim 3:30 BWC Megastructures & Artificial Planets 4:29 Hegemonizing Swarms 5:29 Solar Moths & Solar Sails 6:27 Fusion Candles 7:12 Non-Equatorial Space Elevators 8:10 Building Artificial Planets 9:10 Computronium 10:13 Deciphering Alien Codes 11:12 Astrochickens & Von Neumann Probes 12:12 Could Dinosaurs have Been killed by Aliens? 13:11 Will Humans In Space Be Taller? 14:02 The Stanford Torus 15:02 Could Technology Bring You Back to Life? 16:02 Is our galaxy going to Collide with Andromeda? 16:58 The Bernal Sphere 17:55 Nuclear Lightbulb Spaceship Drive 18:55 Von Braun Space Station 19:54 Close

The Alderson Disk is a popular but impractical megastructure that seeks to build an enormous flat planet with a Sun at its center, as an alternative to a Dyson Sphere. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

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? 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 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 Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant", "Ultra Deep Field" Sergey Cheremisinov, "Labyrinth", "Forgotten Stars" Taras Harkavyi, "Alpha and ..." Miguel Johnson, "So Many Stars"

The Fermi Paradox contemplates reasons why in so an ancient and huge Universe we don’t see enormous alien civilizations everywhere, and the Great Filters approach tries to think of reasons why life, or intelligent life, is rare. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Our monthly livestream Q&A session. Join us on September 24, 2023, at 4pm EST, Sunday, and get your questions about the channel and episodes on chat to be answered! Join Nebula: https://go.nebula.tv/isaacarthur Pancosmorio Theory Paper: https://www.frontiersin.org/articles/10.3389/fspas.2023.1081340/full Support the stream: https://streamlabs.com/isaacarthur Catch the audio-only show on Soundcloud: https://soundcloud.com/isaac-arthur-148927746 Visit our Website: https://www.isaacarthur.net SFIA Discord Server: https://discord.gg/53GAShE Support us on Patreon: https://www.patreon.com/IsaacArthur 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. Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

The Universe is vast, and even voyages to neighboring stars may decades under known science, so how far can humanity colonize out into our galaxy or beyond? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

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? Watch my exclusive video on Life As An Asteroid Miner: https://nebula.tv/videos/isaacarthur-life-as-an-asteroid-miner Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?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 Chapters 0:00 Intro 02:08 Venus-like worlds 08:48 Titan Moons 12:38 Ice Giants / Hycean 17:23 Gas Giants 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 Graphics: Bryan Versteeg Jeremy Jozwik Ken York YD Visual Kristijan Tavcar Mafic Studios Sergio Botero Stephen Huck Steve Bowers Tristan3D Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant" "Ultra Deep Field" Sergey Cheremisinov, "Labyrinth" "Forgotten Stars" Taras Harkavyi, "Alpha and ..." Miguel Johsnon, "So Many Stars"

Antimatter is vastly more dangerous than even nuclear weapons, but warm temperature superconductors may allow it to be weaponized into man-portable machineguns that fired nukes with each shot. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription. 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? Visit our Website: http://www.isaacarthur.net Watch ad-free on Nebula: https://nebula.tv/videos/isaacarthur-cyborg-armies 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 Credits: The Fermi Paradox: Fallen Empires Episode 412a, September 17, 2023 Produced, Written & Narrated by: Isaac Arthur Editors: Jerry Guern Konstantin Sokerin David McFarlane Graphics by: Darth Biomech Fishy Tree Jeremy Jozwik Ken York YD Visual LegionTech Studios Udo Schroeter 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 China Brain thought problem suggests that if it is possible for a big enough computer to run an uploaded copy of a human mind, then a sufficiently large number of humans run calculations by hand could too. But if they did, would this represent a Hive Mind? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

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? Watch my exclusive video on Life As An Asteroid Miner: https://nebula.tv/videos/isaacarthur-life-as-an-asteroid-miner Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isaacarthur The Atlantis Project: https://www.project-atlantis.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: 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 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 Graphics: Ian Long LITE Jarred Eagley Jeremy Jozwik Katie Byrne Ken York Mafic Studios Phil Swan Sergio Botero Udo Schroeter Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant" "Ultra Deep Field" Sergey Cheremisinov, "Labyrinth" "Forgotten Stars" Taras Harkavyi, "Alpha and ..." Miguel Johsnon, "So Many Stars"

Recently the Mexican Congress was shown what appeared to be mummified alien-human hybrid remains. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Nukes are potent weapons, but they can be used as catalysts of even more lethal devices, from Bomb-Pumped Lasers to Casaba-Howitzers. Produced, Written & Narrated by: Isaac Arthur Graphics: SpaceResourcesCGI Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

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 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 Credits: Bussard Ramjet Starship Drive Episode 411b, September 10, 2023 Written, Produced & Narrated by: Isaac Arthur Graphics: Jeremy Jozwik Ken York Sergio Botero Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator

The Fermi Paradox looks at the apparent absence of Loud Alien Civilizations, and asks if instead there may be Quiet Aliens, but what are Loud & Quiet Aliens? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

We often dream of a future out in the galaxy, exploring and settling strange new worlds under the light of alien suns, but what would living in space truly be like? Watch my exclusive video on Life As An Asteroid Miner: https://nebula.tv/videos/isaacarthur-life-as-an-asteroid-miner Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?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 Chapters 0:00 Intro 05:55 Lighting 13:31 Gravity 23:42 Non-Human Life 27:26 Costs 30:19 Cultural 33:00 Social Dynamics Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-148927746/living-in-space Episode's Narration-only version: https://soundcloud.com/isaac-arthur-148927746/living-in-space-narration-only Credits: Living in Space Science & Futurism with Isaac Arthur Episode 411, September 7, 2023 Written, Produced & Narrated by Isaac Arthur Editors: Briana Brownell Merv Johnson Shaun Moss Donagh Broderick David McFarlane Konstantin Sokerin Graphics by: Fishy Tree Jeremy Jozwik Katie Byrne Ken York YD Visual Sergio Botero Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant" "Ultra Deep Field" Sergey Cheremisinov, "Labyrinth" "Forgotten Stars" Taras Harkavyi, "Alpha and ..." Miguel Johsnon, "So Many Stars"