The Future Of Hydroelectric Power Science & Futurism With Isaac Arthur podcast

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Science & Futurism with Isaac Arthur

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Ancient Machine Monitors: Alien Watchdogs, AI Custodians, and the Fermi Paradox 26:13

4 days ago26:13

26:13

From Clarke’s Sentinel to deep-space defense systems, this episode dives into the idea of machine monitors—guardians of planets, civilizations, and secrets too ancient to name. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - nebula.tv/videos/isaacarthur-a…ower-of-annihilation Get Nebula using my link for 40% off an annual subscription: go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: go.nebula.tv/lifetime?ref=isaacarthur Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Machine Monitors Episode 444b; May 1, 2024 Produced, Written & Narrated by: Isaac Arthur Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Ancient Machine Monitors: Alien Watchdogs, AI Custodians, and the Fermi Paradox (Narration Only) 25:52

4 days ago25:52

25:52

From Clarke’s Sentinel to deep-space defense systems, this episode dives into the idea of machine monitors—guardians of planets, civilizations, and secrets too ancient to name. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - nebula.tv/videos/isaacarthur-a…ower-of-annihilation Get Nebula using my link for 40% off an annual subscription: go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: go.nebula.tv/lifetime?ref=isaacarthur Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Machine Monitors Episode 444b; May 1, 2024 Produced, Written & Narrated by: Isaac Arthur Music Courtesy of: Epidemic Sound http://epidemicsound.com/creator See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Life in 2525 A.D. (Episode 500 Full Audio Drama Version) 46:23

7 days ago46:23

46:23

In the year 2525, humans, post-humans, and new species navigate a vast and vibrant future. Join us as we explore the lives, dreams, and struggles of a trillion-strong civilization. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - nebula.tv/videos/isaacarthur-a…ower-of-annihilation Get Nebula using my link for 40% off an annual subscription: go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: go.nebula.tv/lifetime?ref=isaacarthur Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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 in 2525 A.D. Episode 500; May 22, 2025 Written, Produced & Narrated by: Isaac Arthur Editors: Merv Johnson II & Thomas Owens Graphics: Anthrofuturism Jarred Eagley Jeremy Jozwik Ken York YD Visual Space Resources CGI Udo Schroeter Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" Sergey Cheremisinov, "Labyrinth" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Life in 2525 A.D. (Narrated Only by Isaac) 44:50

7 days ago44:50

44:50

In the year 2525, humans, post-humans, and new species navigate a vast and vibrant future. Join us as we explore the lives, dreams, and struggles of a trillion-strong civilization. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - nebula.tv/videos/isaacarthur-a…ower-of-annihilation Get Nebula using my link for 40% off an annual subscription: go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: go.nebula.tv/lifetime?ref=isaacarthur Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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 in 2525 A.D. Episode 500; May 22, 2025 Written, Produced & Narrated by: Isaac Arthur Editors: Merv Johnson II & Thomas Owens Graphics: Anthrofuturism Jarred Eagley Jeremy Jozwik Ken York YD Visual Space Resources CGI Udo Schroeter Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" Sergey Cheremisinov, "Labyrinth" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Worldhouses: Building Planets, One Dome at a Time 32:58

14 days ago32:58

32:58

Why wait centuries to terraform Mars when you could build a habitable world overnight? In this episode, we explore the concept of Worldhouses—planet-spanning domes that let us colonize hostile worlds by enclosing them beneath engineered skies, one dome at a time. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - https://nebula.tv/videos/isaacarthur-antimatter-propulsion-harnessing-the-power-of-annihilation 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Worldhouses Episode 499; May 15, 2025 Written, Produced & Narrated by: Isaac Arthur Graphics: Fishy Tree & Ken York YD Visual Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Worldhouses & Paraterraforming (Narration Only) 32:25

14 days ago32:25

32:25

Why wait centuries to terraform Mars when you could build a habitable world overnight? In this episode, we explore the concept of Worldhouses—planet-spanning domes that let us colonize hostile worlds by enclosing them beneath engineered skies, one dome at a time. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - https://nebula.tv/videos/isaacarthur-antimatter-propulsion-harnessing-the-power-of-annihilation 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Worldhouses Episode 499; May 15, 2025 Written, Produced & Narrated by: Isaac Arthur Graphics: Fishy Tree & Ken York YD Visual Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Post-Biological Civilizations: Life Beyond Flesh and Bone 34:40

18 days ago34:40

34:40

What happens when intelligence escapes the bounds of flesh and bone? In this episode, we explore post-biological civilizations—entities that may trade biology for digital minds, machine bodies, or stranger forms still—and ask what becomes of identity, purpose, and humanity when the body is no longer required. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - https://nebula.tv/videos/isaacarthur-antimatter-propulsion-harnessing-the-power-of-annihilation 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Cities of the Future Episode 498; May 8, 2025 Written, Produced & Narrated by: Isaac Arthur Edited by: Ludwig Luska Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chris Zabriskie, "Unfoldment, Revealment" Phase Shift, "Forest Night" Lewis Gill, "The Phobos Diary" Stellardrone, "Red Giant" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Post-Biological Civilizations: Life Beyond Flesh and Bone (Narration Only) 34:02

18 days ago34:02

34:02

What happens when intelligence escapes the bounds of flesh and bone? In this episode, we explore post-biological civilizations—entities that may trade biology for digital minds, machine bodies, or stranger forms still—and ask what becomes of identity, purpose, and humanity when the body is no longer required. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - https://nebula.tv/videos/isaacarthur-antimatter-propulsion-harnessing-the-power-of-annihilation 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Cities of the Future Episode 498; May 8, 2025 Written, Produced & Narrated by: Isaac Arthur Edited by: Ludwig Luska Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chris Zabriskie, "Unfoldment, Revealment" Phase Shift, "Forest Night" Lewis Gill, "The Phobos Diary" Stellardrone, "Red Giant" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Cities of the Future (Narration Only) 37:33

21 days ago37:33

37:33

In tomorrow’s world, cities may rise into the clouds, dive beneath oceans, or float among the stars—join us as we journey through these radical urban frontiers. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - https://nebula.tv/videos/isaacarthur-antimatter-propulsion-harnessing-the-power-of-annihilation 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Cities of the Future Episode 498; May 8, 2025 Written, Produced & Narrated by: Isaac Arthur Edited by: Briana Brownell & Thomas Owens Graphics: Bryan Versteeg, Ervin Oprea, Ken York YD Visual, Sergio Botero Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Wonder Cycle" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Cities of the Future – Megacities, Arcologies, and Floating Utopias 38:06

21 days ago38:06

38:06

In tomorrow’s world, cities may rise into the clouds, dive beneath oceans, or float among the stars—join us as we journey through these radical urban frontiers. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - https://nebula.tv/videos/isaacarthur-antimatter-propulsion-harnessing-the-power-of-annihilation 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Cities of the Future Episode 498; May 8, 2025 Written, Produced & Narrated by: Isaac Arthur Edited by: Briana Brownell & Thomas Owens Graphics: Bryan Versteeg, Ervin Oprea, Ken York YD Visual, Sergio Botero Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Wonder Cycle" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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The Alien Cold War: Silent Competition Among Dormant Empires In A Dark Galaxy 47:36

28 days ago47:36

47:36

What if the galaxy isn’t empty—but locked in a silent Cold War between ancient alien empires? This episode explores the Dark Forest Theory, Interdiction Bubbles, and what it means if our galaxy is shaped by dormant, watchful civilizations playing a long game of survival and subtle dominance. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - https://nebula.tv/videos/isaacarthur-antimatter-propulsion-harnessing-the-power-of-annihilation 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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 Alien Cold War: Silent Competition Among Dormant Empires In A Dark Galaxy Episode 497; May 1, 2025 Written, Produced & Narrated by: Isaac Arthur Edited by: Donagh Broderick Graphics: Darth Biomech, Jeremy Jozwik, Ken York YD Visual, LegionTech Studios, Sergio Botero Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Markus Junnikkala, "A Fleet Behind the Moon" Phase Shift, "Forest Night" Kai Engel, "Endless Story About Sun and Moon" Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Cylinder One" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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The Alien Cold War: Silent Competition Among Dormant Empires In A Dark Galaxy (Narration Only) 47:02

28 days ago47:02

47:02

What if the galaxy isn’t empty—but locked in a silent Cold War between ancient alien empires? This episode explores the Dark Forest Theory, Interdiction Bubbles, and what it means if our galaxy is shaped by dormant, watchful civilizations playing a long game of survival and subtle dominance. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - https://nebula.tv/videos/isaacarthur-antimatter-propulsion-harnessing-the-power-of-annihilation 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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 Alien Cold War: Silent Competition Among Dormant Empires In A Dark Galaxy Episode 497; May 1, 2025 Written, Produced & Narrated by: Isaac Arthur Edited by: Donagh Broderick Graphics: Darth Biomech, Jeremy Jozwik, Ken York YD Visual, LegionTech Studios, Sergio Botero Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Markus Junnikkala, "A Fleet Behind the Moon" Phase Shift, "Forest Night" Kai Engel, "Endless Story About Sun and Moon" Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Cylinder One" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Galactic Beacons: Teaching Tools or Tombstones? 26:14

5 weeks ago26:14

26:14

It can be hard to hear a signal 100 miles away—so what does it take to build a beacon loud enough to be heard 100,000 light years away? In this episode, we explore galactic beacons: powerful transmissions that may teach, warn, or outlast the minds that made them. Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Galactic Beacons Episode 440b; April 1, 2024 Written, Produced & Narrated by: Isaac Arthur Graphics: Darth Biomech, Jeremy Jozwik, Ken York YD Visual, Sergio Botero Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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Galactic Beacons: Teaching Tools or Tombstones? (Narration Only) 25:59

5 weeks ago25:59

25:59

It can be hard to hear a signal 100 miles away—so what does it take to build a beacon loud enough to be heard 100,000 light years away? In this episode, we explore galactic beacons: powerful transmissions that may teach, warn, or outlast the minds that made them. Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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: Galactic Beacons: Teaching Tools or Tombstones? Episode 496a; April 27, 2025 Written, Produced & Narrated by: Isaac Arthur Graphics: Darth Biomech, Jeremy Jozwik, Ken York YD Visual, Sergio Botero Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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Science & Futurism with Isaac Arthur

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The O'Neill Cylinder Space Habitat: Islands In The Sky 38:30

5 weeks ago38:30

38:30

What if humanity’s future isn’t on Earth—or even other planets—but in colossal artificial worlds built in space? In this episode, we explore the O’Neill Cylinder, a visionary space habitat that could house millions, serve as interstellar arks, and transform the cosmos into a network of orbital civilizations. Join us as we dive into the design, potential, and profound societal implications of these Islands in the Sky. Watch my exclusive video The End of Science https://nebula.tv/videos/isaacarthur-the-end-of-science 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 Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. 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 O'Neill Cylinder Space Habitat: Islands In The Sky Episode 496; April 24, 2025 Written, Produced & Narrated by: Isaac Arthur Edited by: Briana Brownell Graphics: Anthrofuturism, Apogii.uk, Katie Byrne, Jarred Eagley, Jeremy Jozwik, Justin Dixon, Ken York YD Visual, Sergio Botero, Udo Schroeter Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Markus Junnikkala, "A Fleet Behind the Moon" Phase Shift, "Forest Night" Kai Engel, "Endless Story About Sun and Moon" Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .…

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