Nanotechnology is moving from the realm of science fiction to reality, and in the process, these tiny technologies are offering giant opportunities.
Watch my exclusive video The Fermi Paradox: Air https://nebula.tv/videos/isaacarthur–… Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Credits: Nanotechnology: The Future of Everything Episode 481a; January 12, 2025 Produced, Narrated & Written: Isaac Arthur Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Stellardrone, “In Time”, “Red Giant” Aerium, featuring Sieger, “Deiljocht“ Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur.
Credits: Nanotechnology: The Future of Everything. Episode 481a; January 12, 2025 Produced, Narrated & Written: Isaac Arthur. Select imagery/video supplied by Getty Images. Music Courtesy of Epidemic Sound http://epidemicsound.com/creator. Stellardrone, \
Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall…
Visit our Website: http://www.isaacarthur.net. Join Nebula: https://go.nebula.tv/isaacarthur. Support us on Patreon: / isaacarthur. Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Facebook Group: / 1583992725237264 Reddit: / isaacarthur. Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord. Credits: Orbital Farms — Extended Edition. Episode 471a; November 1, 2024 Produced, Narrated & Written: Isaac Arthur. Graphics: Jarred Eagley. Jeremy Jozwik. Katie Byrne. Ken York YD Visual. Udo Schroeter. Select imagery/video supplied by Getty Images. Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
From abiogenesis to AI, we rank the top Great Filter candidates and test them against the data to see which best explains the Fermi Paradox. Is the universe empty, or just dangerous? We explore ten filters—cosmic, biological, and civilizational—that could silence civilizations before they spread.
Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: / isaacarthur Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Group: / 1,583,992,725,237,264 Reddit: / isaacarthur Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord . Credits: Could We Accidentally Destroy the Universe? Written, Produced & Narrated by: Isaac Arthur Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator.
Chapters 0:00 Intro 5:08 #10 The Fine-Tuned Universe & Rare Earth 12:55 #9 Abiogenesis (The Origin of Life) 16:29 #8 Complex Cells & Eukaryotes 20:14 #7 Multicellularity and Specialization 22:39 #6 Sexual Reproduction & Genetic Innovation 23:54 #5 Complex Animal Life 25:24 Curiosity 26:39 #4 Extended Childhood & Cooperative Rearing 29:17 #3 Long-Term Climate Stability 31:40 #2 Intelligence That Produces Technology 35:11 #1 The Late Filters: Surviving Technology, Ourselves, and Expanding Beyond the Home System.
From O’Neill cylinders to spiral habitats, discover how humanity might build colossal, interconnected cities high above Earth.
Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur–… 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=isa… Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36. Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: / isaacarthur Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Facebook Group: / 1,583,992,725,237,264 Reddit: / isaacarthur Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord Credits: Orbital Arcologies — Mega Cities in Space Written, Produced & Narrated by: Isaac Arthur Graphics: Bryan Versteeg, Jeremy Jozwik, Katie Byrne, Udo Schroeter Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chapters 0:00 Intro — The Conductor’s Tale 4:43 Why Megacities in Space? 6:02 The Four Foundational Assumptions of Space Habitat Design 10:11 Flawed Assumptions & Specialized Habitats 11:28 The Urban Web – Tethered Transit and Megacity Growth 17:14 Nebula 18:24 Spiral Habitats – A Rolled-Up City in Space 20:19 Density and Design – Population Scaling 23:17 Green Limits – CO₂, Heat, and Living Space 26:08 The Future of Orbital Urbanization – Terran Swarms and Beyond. 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=isa… Use the link https://gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $36.
Visit our Website: http://www.isaacarthur.net. Join Nebula: https://go.nebula.tv/isaacarthur. Support us on Patreon: / isaacarthur. Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Facebook Group: / 1583992725237264 Reddit: / isaacarthur. Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord. Credits: Orbital Arcologies — Mega Cities in Space. Written, Produced & Narrated by: Isaac Arthur. Graphics: Bryan Versteeg, Jeremy Jozwik, Katie Byrne, Udo Schroeter. Select imagery/video supplied by Getty Images. Music Courtesy of Epidemic Sound http://epidemicsound.com/creator.
Chapters. 0:00 Intro — The Conductor’s Tale. 4:43 Why Megacities in Space? 6:02 The Four Foundational Assumptions of Space Habitat Design. 10:11 Flawed Assumptions & Specialized Habitats. 11:28 The Urban Web – Tethered Transit and Megacity Growth. 17:14 Nebula. 18:24 Spiral Habitats – A Rolled-Up City in Space. 20:19 Density and Design – Population Scaling. 23:17 Green Limits – CO₂, Heat, and Living Space. 26:08 The Future of Orbital Urbanization – Terran Swarms and Beyond.
Meet the caretaker AIs: guardians of planets, habitats, and civilizations. What happens when machines become the spirit and soul of the worlds they protect?
Grab one of our new SFIA mugs and make your morning coffee a little more futuristic — available now on our Fourthwall store! https://isaac-arthur-shop.fourthwall…
Visit our Website: http://www.isaacarthur.net. Join Nebula: https://go.nebula.tv/isaacarthur. Support us on Patreon: / isaacarthur. Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Facebook Group: / 1583992725237264 Reddit: / isaacarthur. Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord. Credits: Caretaker AI & Genus Loci 2025 Edition. Written, Produced & Narrated by: Isaac Arthur. Editors: Ludwig Luska. Graphics: Bryan Versteeg. Jeremy Jozwik. Ken York YD Visual. Kris Holland Mafic Studios. Select imagery/video supplied by Getty Images. Music Courtesy of Epidemic Sound http://epidemicsound.com/creator
What is consciousness for? And is biological consciousness best understood as a self-organising algorithm that could, in principle, be recreated in machines?
In this talk, Joscha explores consciousness as perception of perception, coherence maintenance, modelling, resonance, self-organisation, and the possibility that machine consciousness may emerge through the right virtual architecture.
Visit our Website: http://www.isaacarthur.net. Join Nebula: https://go.nebula.tv/isaacarthur. Support us on Patreon: / isaacarthur. Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Facebook Group: / 1583992725237264 Reddit: / isaacarthur. Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord. Credits: Cosmic Megafauna — Could Giant Alien Life Forms Exist? Episode 727; June 26, 2025 Written, Produced & Narrated by: Isaac Arthur. Select imagery/video supplied by Getty Images. Music Courtesy of Epidemic Sound http://epidemicsound.com/creator. Stellardrone, \