Science & Futurism with Isaac Arthur

A look at the possible effects of alien food, drink, and microbes on us or our ecosystem. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Alien Beer Is To Die For... Episode 437a; March 10, 2024 Produced, Written & Narrated by: Isaac Arthur Graphics: Ken York YD Visual

In the future we may be able to claim new worlds and forge them into paradises, but should we? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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 Terraforming Planets Ethical Episode 437; March 7, 2024 Produced, Written & Narrated by: Isaac Arthur Editors: Dillon Olander Konstantin Sokerin Graphics: Jeremy Jozwik Mafic Studios Sergio Botero YD Visual Udo Schroeter Music Courtesy of Epic Mountain, "Wave", "Zero Gravity" Sergey Cheremisinov, "Labyrinth" Aerium, "Deiljocht" Frank Dorittke, "Morninglight"

Our world is ancient, but the Universe is far older. What were those first planets like, and how soon can life emerge on new ones? Watch my exclusive video Crystal Aliens https://nebula.tv/videos/isaacarthur-crystal-aliens 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 Credits: Primordial Planets Episode 436b; March 3, 2024 Produced, Written & Narrated by: Isaac Arthur Editors: Konstantin Sokerin Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant", "Ultra Deep Field", "Cosmic Sunrise" Sergey Cheremisinov, "Labyrinth", "Forgotten Stars" Lombus, "Cosmic Soup", "Hydrogen Sonata"

The vast gulfs between stars may take decades or even centuries to travel, requiring enormous generation ships carrying families and whole ecosystems with them. What will life be like on board such arks? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Life on an Interstellar Ark Ship Episode 436; February 29, 2024 Produced, Written & Narrated by: Isaac Arthur Graphics: Fishy Tree Jeremy Jozwik Legiontech Studios 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" Lombus, "Cosmic Soup", "Hydrogen Sonata"

Vacuum Trains and other low pressure rail & maglev systems offer the possibility of ultra-fast and ultra-cheap transport on and off of Earth. Watch my exclusive video Topopolis: The Eternal River: https://nebula.tv/videos/isaacarthur-topopolis-the-eternal-river Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Vacuum Trains Episode 435a; February 25, 2024 Written, Produced & Narrated by: Isaac Arthur Editors: Konstantin Sokerin Merv Johnson II Graphics: Allen DeMoura Apogii.uk Ian "LITE" Long Jarred Eagley Justin Dixon Katie Byrne Ken York Phil Swan Real Courte Sergio Botero Udo Schroeter Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator

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? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Can We Terraform The Moon? Episode 435; February 22, 2024 Produced, Written & Narrated by: Isaac Arthur Editors: Donagh Broderick Graphics: Ian "LITE" Long Jarred Eagley Jeremy Jozwik Ken York Mafic Studios Sergio Botero Udo Schroeter Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Black holes are objects of mystery and dread from which nothing can escape… but could they also be the foundations of future civilizations of unimaginable might and size. Watch my exclusive video Topopolis: The Eternal River: https://nebula.tv/videos/isaacarthur-topopolis-the-eternal-river Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Quasar Cannons & Black Hole Tech Episode 434; February 15, 2024 Produced, Written & Narrated by: Isaac Arthur Graphics: Bryan Versteeg Fishy Tree Jakub Grygier Jeremy Jozwik Ken York Luca De Rosa Sergio Botero SpaceResourcesCGI 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" Lombus, "Cosmic Soup", "Hydrogen Sonata" 0:00 Intro 06:18 Accretion Disk Utilization 08:00 Magnetic Field Exploitation 08:44 Penrose Process 10:19 Blandford-Znajek Process 12:06 Hawking Radiation

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? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Quarantined Planets Episode 433a; February 11, 2024 Produced, Written & Narrated by: Isaac Arthur Graphics: Apogii.uk Darth Biomech Jeremy Jozwik Ken York Real Courte Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Ultra Deep Field", "Red Giant" Sergey Cheremisinov, "Labyrinth", "Forgotten Stars" Taras Harkavyi, "Alpha and ..." Miguel Johnson, "So Many Stars"

In the future we will not simply travel to visit new worlds but seek to build homes and forge lives on them. So what would being a pioneer in space truly be like? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Space Homesteading Episode 433; February 8, 2024 Produced, Written & Narrated by: Isaac Arthur Graphics: Apogii.uk Bryan Versteeg Fishy Tree Jeremy Jozwik Katie Byrne Ken York Real Courte Sergio Botero Tactical Blob Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Ultra Deep Field", "Red Giant" Sergey Cheremisinov, "Labyrinth", "Forgotten Stars" Taras Harkavyi, "Alpha and ..." Miguel Johnson, "So Many Stars"

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. Watch my exclusive video Topopolis: The Eternal River: https://nebula.tv/videos/isaacarthur-topopolis-the-eternal-river Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Death Worlds Episode 432; February 1, 2024 Produced, Written & Narrated by: Isaac Arthur Editors: Alex Civitello Graphics: apogii.uk Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant", "Ultra Deep Field" Sergey Cheremisinov, "Labyrinth", "Forgotten Stars"

In a future so distant that all has decayed to nothingness and time itself ceases to exist, might this eternal moment of oblivion bring on a fiery resurrection to all of space and time? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Ancient Ghost Universes & Conformal Cyclic Cosmology Episode 431a; February 8, 2024 First Aired: January 19, 2023 Produced, Written & Narrated by: Isaac Arthur Graphics: Jeremy Jozwik Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Moment of Stillness", "Red Giant" Sergey Cheremisinov, "Labyrinth", "Forgotten Stars" Taras Harkavyi, "Alpha and ..."

Lagrange Points are the rare oases, stationary islands in space. As a result, they are invaluable real estate where we can build vast space habitats. Watch my exclusive video Giant Space Monsters: https://nebula.tv/videos/isaacarthur-giant-space-monsters Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Lagrange Point Space Settlement Episode 431; January 25, 2024 Produced, Written & Narrated by: Isaac Arthur Editors: Anne Kopperud Briana Brownell Graphics: Bryan Versteeg Jarred Eagley YD Visual Sergio Botero Udo Schroeter Music Courtesy of Steve Cardon

For us to live and build communities in space we will need law and order, but who will make the rules, what should they be, and what sheriff will see that the law is enforced? Watch my exclusive video Giant Space Monsters: https://nebula.tv/videos/isaacarthur-giant-space-monsters Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Space Regulation Episode 430; January 18, 2024 Produced, Written & Narrated by: Isaac Arthur Graphics: Fishy Tree Jeremy Jozwik Mafic Studios Sergio Botero Music Courtesy of Steve Cardon Epidemic Sound http://epidemicsound.com/creator Chapters 00:00 Intro 00:21 Existing Space Law 3:44 Current Issues 04:14 Territory 08:10 Commercialization 15:30 Space Debris 17:38 Asteroids & Space Mining 20:31 Weaponization 22:50 Planetary Contamination 24:24 Bioforming & Terraforming 25:57 Colonial Rights

We often worry that humanity might be attacked by Aliens or AI, but which is worse and which would win in a battle between them? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Aliens vs AI Episode 429a; January 14, 2024 Produced, Written & Narrated by: Isaac Arthur Editor: Lukas Konecny Graphics: Jeremy Jozwik 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"

Uplifting is the process of altering an animal - or even an alien - to be smarter or able to use technology. Our ability to do this seem inevitable, and with it a host of moral dilemmas. David Brin’s Uplift page: https://www.davidbrin.com/uplift.html Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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 Uplifting Ethical? Episode 429; January 11, 2024 Produced, Written & Narrated by: Isaac Arthur 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" Chapters 0:00 Intro 2:33 Biological or Physiological 4:06 Cultural 08:42 Ecological 11:03 Neurological 13:11 Non-Darwinian 14:44 Technological 18:00 Post-Biological 18:33 Methods 19:21 Reasons 24:23 Ethical Conundrums 27:36 Inevitability

A look at Statites, or Static Satellites, and variations like the Lagite, Quasite, Mag Sail, Solar Moth, and Non-Keplerian Orbits that offer us powerful foundations for advanced, Kardashev-scale space development. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: Statites, Lagites, and Quasites Episode 428a; January 7, 2024 Produced, Written & Narrated by: Isaac Arthur Graphics: Jarred Eagley Jeremy Jozwik YD Visual Mafic Studios Sergio Botero SpaceRedourcesCGI Steve Bowers Udo Schroeter Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Reaching new worlds is a difficult task, but transplanting ecosystems and civilizations to them may be even harder. Pancosmorio Paper: https://www.frontiersin.org/articles/10.3389/fspas.2023.1081340/full Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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: The Fermi Paradox: Pancosmorio Theory Episode 428; January 4, 2024 Produced, Written & Narrated by: Isaac Arthur Editor: Briana Brownell Graphics: Jeremy Jozwik Ken York Mafic Studios Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator

Our future lies among the stars, and many challenges must be overcome to reach them. One of those challenges is making sure our ships don’t crash into our own garbage littering orbit. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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

In the grandeur of the universe, the tapestry of life may be woven from stranger threads than we ever dared to dream, and spun from materials far different to our own. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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

We often discuss if space travel is feasible and if we can settle strange new worlds, but if we can, there is still the question of if we will. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 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

To claim your matching donation with Givewell, go to https://www.givewell.org and select Youtube & Isaac Arthur at checkout! What does science tell us about reality and are there pathways to control, change, or re-create it? 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: Reality Manipulation Episode 425; December 314, 2023 Produced, Written & Narrated by: Isaac Arthur Editor: Lukas Konecny Music Courtesy of: Steve Cardon

Lasers in space has been both a fascination and a fear of humanity for decades now, but do they pose a threat to Earth? Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Go to https://buyraycon.com/isaacarthur to get 15% off your Raycon purchase this holiday season! Brought to you by Raycon. In the future we will travel to strange new worlds, but who will pilot the spaceships that take us there? 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: Selecting Crew For A Spaceship Episode 424; December 7, 2023 Written, Produced & Narrated by: Isaac Arthur Editors: Andy Nelson Graphics: Udo Schroeter Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Stellardrone, "Red Giant", "Ultra Deep Field" Taras Harkavyi, "Alpha and ..."

Settling and terraforming new worlds will be about a lot more than bringing in air and water, your soil must be carefully created from the local reoglith. Produced, Written & Narrated by: Isaac Arthur Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

In science fiction we often see immense starships attacking planets, crushing or besieging them, but in our own future we may deploy powerful orbital fortresses to defend our world. Watch my exclusive video The Fermi Paradox Hermit Shoplifter Hypothesis: https://nebula.tv/videos/isaacarthur-the-fermi-paradox-hermit-shoplifter-hypothesis 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 Credits: Orbital Defense Platforms Episode 423b; December 3, 2023 Produced, Written & Narrated by: Isaac Arthur Graphics: Fishy Tree Jarred Eagley Jeremy Jozwik Ken York/YD Visual Legiontech Studios Rapid Thrash Sergio Botero SpaceResourcesCGI 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"