Science & Futurism with Isaac Arthur

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"

Alpha Centauri may be the nearest star but how many more stars and planets are within 100 light years of us? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Astronomers constantly awe us with new exoplanets found around distant stars, but the news often proclaims these worlds Earth-like. Have we found any truly earth-like worlds yet? Colonizing Red Dwarfs: https://youtu.be/Vr5Fap_RTu0 Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Debate about the lethality of lightsabers sometimes asks if the blade, able to cut through metal in a slash, could be hot enough to burn even the water in a person's body. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

A starbooster is a megastructure designed for heating a cooler star to make it more sun-like and with a wider habitable zone for planets. Orion's Arm Starbooster entry: https://www.orionsarm.com/eg-article/47897efc7129a To find out more about them and other megastructures, see the Megastructure Compendium: https://youtu.be/1xt13dn74wc Making Suns: https://youtu.be/ShC63MiURrc Produced, Written & Narrated by: Isaac Arthur Graphics by: Steve Bowers Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Our monthly livestream Q&A session. Join us on August 27, 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 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

An Idiocracy is a type of government or civilization whose de facto leadership and citizenry are incompetent and stupid, and future technology might allow such civilizations to flourish. Human Devolution: Morlocks & C.H.U.D.s Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Go to the link: https://imprintapp.com/isaacarthur - The first 200 subscribers get 20% off an annual membership Humanity has evolved in the face of much hardship and turmoil, and invented technologies to aid us, but could an end to hardships be our undoing and cause us to devolve? 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 Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-148927746/human-devolution-morlock-chuds Episode's Narration-only version: https://soundcloud.com/isaac-arthur-148927746/human-devolution-morlocks-chuds-narration-only Credits: Human Devolution: Morlocks & C.H.U.D.s Episode 409, August 24, 2023 Written, Produced & Narrated by: Isaac Arthur Editors: Jerry Guern Donagh Broderick David McFarlane Graphics: Sergio Botero Udo Schoeter Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"

The von Braun wheel is one of the best known early designs, incorporating spin-gravity via rotation and inspiring many variants in the last 80 years. To find out more about them and other megastructures, see the Megastructure Compendium: https://youtu.be/1xt13dn74wc Produced, Written & Narrated by: Isaac Arthur Graphics by: Udo Schroeter Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Nuclear propulsion offer vast energy to run a spaceship but is hard to convert into efficient and high thrust... the Nuclear Lightbulb seeks to address that. The Nuclear Option: https://www.youtube.com/watch?v=3aBOhC1c6m8 The Advanced Spaceship Drive Compendium: https://youtu.be/ipQ1c6jTjIc Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

🌏 Get Exclusive NordVPN deal here ➼ https://nordvpn.com/isaacarthur It’s risk-free with Nord’s 30-day money-back guarantee! ✌ Comets have awed, amazed, and even terrified humanity for thousands of years, with many believing they heralded the end of the world, but could they be the key to reaching and creating new worlds? Sign the New Horizons Petition: https://chng.it/DPQ6cSWGk8 NSS Space Forum Registration: https://us02web.zoom.us/webinar/register/WN_7ZU_C6VHSkyoS91zVtPKkg#/registration 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 Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-148927746/comet-mining Episode's Narration-only version: https://soundcloud.com/isaac-arthur-148927746/comet-mining-narration-only Credits: Comet Mining Science & Futurism with Isaac Arthur Episode 408, August 17, 2023 Written, Produced & Narrated by Isaac Arthur Graphics by: Bryan Versteeg Fishy Tree Ian "LITE" Long Jeremy Jozwik Sergio Botero SpaceResourceCGI Udo Schroeter Sergio Botero Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant", "Between the Rings" Sergey Cheremisinov, "Labyrinth", Forgotten Stars" Miguel Johsnon, "So Many Stars" Taras Karkavyi, "Alpha and ..."

The Bernal Sphere is an immense spherical space habitat design and the inspiration for many habitats and space stations. To find out more about them and other megastructures, see the Megastructure Compendium: https://youtu.be/1xt13dn74wc Produced, Written & Narrated by: Isaac Arthur Graphics by: Udo Schroeter, Neil Blevins https://artofsoulburn.artstation.com/albums/63277 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. In the future we may deploy armies of cybernetic superhumans to fight our battles, people so augmented they could tear through walls or dodge bullets. But would these invincible warriors be willing to fight for mundane humans, or merely fight each other to rule us? 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 Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-148927746/cyborg-armies Episode's Narration-only version: https://soundcloud.com/isaac-arthur-148927746/cyborg-armies-narration-only Credits: Cyborg Armies Episode 407a, August 13, 2023 Produced, Written & Narrated by: Isaac Arthur Editors: David McFarlane Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Markus Junnikkala, "We Roam the Stars" Stellardrone, "Red Giant" "Between The Rings" Miguel Johnson, "Far From Home", "So Many Stars" Aerium, "Fifth Star of Aldebaran"

Go to https://buyraycon.com/isaacarthur for 15% off your order! Brought to you by Raycon. Eons from now the last stars will be born, living trillions of years before they too fade out, and in the gathering darkness will come the final sunset on the last planet. Visit our Website: http://www.isaacarthur.net Checkout this episode ad-free on Nebula: https://nebula.tv/videos/isaacarthur-dropships-drop-pods 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 Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-148927746/the-last-planet Episode's Narration-only version: https://soundcloud.com/isaac-arthur-148927746/the-last-planet-narration-only Credits: The Last Planet August Episode 407, August 10, 2023 Written, Produced & Narrated by: Isaac Arthur Editors: David McFarlane Lukas Konecny Graphics: Jeremy Jozwik LegionTech Studios Mafic Studios Udo Schoeter 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"

We often hear that our galaxy will collide with the Andromeda Galaxy, our nearest neighbor, but in reality this is just the biggest of many titanic galactic mergers to come. Intergalactic Voyages: https://youtu.be/6aBfLA_g3og Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

To celebrate 750,000 subscribers we're taking a look at the benefits and disadvantages of settling and terraforming planets vs constructing megastructure space habitats Watch my exclusive video on Retrocausality: https://nebula.tv/videos/isaacarthur-retrocausality Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/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 Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-148927746/planets-vs-megastructures Episode's Narration-only version: https://soundcloud.com/isaac-arthur-148927746/planets-vs-megastructures-narration-only Credits: Planets vs Megastructures Science & Futurism with Isaac Arthur Episode 406b, August 6, 2023 Written, Produced & Narrated by Isaac Arthur Graphics by: Bryan Versteeg Jarred Eagley Jeremy Jozwik Rapid Thrash Sergio Botero Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator

Medical Technology has revived people who have stopped breathing or whose heart has stopped, but could it revive those who are already brain dead and, if so, for how long? Technological Resurrection: https://youtu.be/Avp1ThZpDNs Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

A Space Elevator on the Moon, made of mundane materials, could be built with modern technology, and allow ultra-cheap freight off the Moon. Watch my exclusive video on Retrocausality: https://nebula.tv/videos/isaacarthur-retrocausality Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/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 Listen or Download the audio of this episode from Soundcloud: Episode's Audio-only version: https://soundcloud.com/isaac-arthur-148927746/lunar-space-elevator Episode's Narration-only version: https://soundcloud.com/isaac-arthur-148927746/lunar-space-elevator-narration-only Credits: Lunar Space Elevator Science & Futurism with Isaac Arthur Episode 406, August 3, 2023 Written, Produced & Narrated by Isaac Arthur Editors: David McFarlane Graphics by: Aryeh Yakov Katz Ian Long LITE Ken York YD Visual Mafic Studios Mike Munt Apogii.uk Phil Swan Sergio Botero Udo Schroeter Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Markus Junnikkala, "Plotting a Course", "We Roam the Stars" Stellardrone, "Red Giant", "Between the Rings" Miguel Johsnon, "Far From Home", "So Many Stars"

The Stanford Torus is an enormous 10 million ton space station ring habitat designed to house many thousands. To find out more about them and other megastructures, see the Megastructure Compendium: https://youtu.be/1xt13dn74wc Produced, Written & Narrated by: Isaac Arthur Graphics by: Udo Schroeter Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Our monthly livestream Q&A session. Join us on July, 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 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