isaac-arthur.bsky.social
@isaac-arthur.bsky.social
Orbital Farms: Humanity’s Next Agricultural Revolution
youtu.be/ylev6rRSubM
Happy Thanksgiving Everyone!
As humanity expands into space, we’ll need new ways to grow food. Explore how orbital farms could sustain billions—on Earth, Mars, and beyond.
Orbital Farms
YouTube video by Isaac Arthur
youtu.be
November 27, 2025 at 2:02 PM
Ark Swarms - Dispersing Humanity Across the Stars to Prevent Extinction
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To colonize the Milky Way, humanity must travel in fleets, not alone. Ark Swarms shows how interstellar swarms can secure our future among the stars.
Ark Swarms - Dispersing Humanity Across the Stars to Prevent Extinction
YouTube video by Isaac Arthur
youtu.be
November 23, 2025 at 2:01 PM
The Future of Humanity: What Will We Become?
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From cyborgs to hive minds and civilizations of pure thought, we trace the possible futures of our species through the next trillion tomorrows.
The Future of Humanity - What Will We Become?
YouTube video by Isaac Arthur
youtu.be
November 20, 2025 at 2:01 PM
Could We Nuke Mars’ Core to Restart Its Spin? | New Insights into the Red Planet’s Heart
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Mars once had a magnetic field—can we bring it back? Learn what new seismic data reveals about the Red Planet’s heart and whether nuclear power could restart its spin.
Could We Nuke Mars’ Core to Restart Its Spin? | New Insights into the Red Planet’s Heart
YouTube video by Isaac Arthur
youtu.be
November 18, 2025 at 2:02 PM
Why We Should Go To Mars... And Why We Shouldn't
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Mars calls to us as the next world to conquer—but should we go yet? Explore the case for and against colonizing the Red Planet, from science to strategy to survival.
Why We Should Go To Mars... And Why We Shouldn't
YouTube video by Isaac Arthur
youtu.be
November 16, 2025 at 2:02 PM
The First Interstellar Colony - Our First Home Among the Stars
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Before we plant flags on alien worlds, we’ll build homes that can cross the void. This episode explores how humanity’s first interstellar colony might be born inside the ship itself.
The First Interstellar Colony - Humanity’s Leap Beyond Sol
YouTube video by Isaac Arthur
youtu.be
November 13, 2025 at 2:01 PM
Doomsday Devices & Ontological Weaponry: The End of Worlds — and of Reality Itself
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From nuclear nightmares to reality-breaking weapons we examine how science and fiction imagine the end of everything. What happens when weapons don’t just destroy worlds but unmake reality itself?
Doomsday Devices & Ontological Weaponry
YouTube video by Isaac Arthur
youtu.be
November 9, 2025 at 2:01 PM
The Space Mining Boom - How Resources Will Shape the Future
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From lunar regolith to metal-rich asteroids, this episode examines how off-world resources could spark the largest economic boom in human history — and what the fuel, transport, and political math actually looks like.
The Space Mining Boom - How Resources Will Shape the Future Economy
YouTube video by Isaac Arthur
youtu.be
November 6, 2025 at 2:02 PM
Insectoid Aliens - Hive Minds, Swarms, and Alien Evolution
youtu.be/UOFm4aJIHSw
Forget little green men — the galaxy’s most likely aliens may be hives and swarms. From biology to starships, insectoid life could shape civilizations stranger than ours.
Insectoid Aliens - Hive Minds, Swarms, and Alien Evolution
YouTube video by Isaac Arthur
youtu.be
November 2, 2025 at 2:01 PM
The Fermi Paradox - Cosmic Forbidden Zones
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From supernova graveyards and magnetar death fields to alien quarantines and simulation boundaries, we map out the “haunted houses” of the Milky Way and ask: are we living in one?
The Fermi Paradox - Forbidden Zones
YouTube video by Isaac Arthur
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October 30, 2025 at 1:04 PM
Caretaker AI & Genus Loci
youtu.be/YUQdTdfFZT8
Meet the caretaker AIs: guardians of planets, habitats, and civilizations. What happens when machines become the spirit and soul of the worlds they protect?
Caretaker AI & Genus Loci
YouTube video by Isaac Arthur
youtu.be
October 26, 2025 at 1:01 PM
Twilight Imperium: When Galactic Civilizations Ebb
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From Asimov’s Foundation to Warhammer 40K and Twilight Imperium, science fiction is filled with collapsing empires. But could civilizational decline really explain why the Universe seems so empty?
Twilight Imperium: When Galactic Civilizations Ebb
YouTube video by Isaac Arthur
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October 23, 2025 at 1:02 PM
Abandoned Space Colonies - How Worlds Can Unterraform Themselves
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Colonies won’t always last forever—sometimes planets revert, habitats decay, and entire worlds are left in ruins. Join us as we examine the life cycle of abandoned space settlements.
Abandoned Space Colonies - How Worlds Can Unterraform Themselves
YouTube video by Isaac Arthur
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October 19, 2025 at 1:02 PM
AI Alignment - Can We Make AI Safe?
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From safety protocols to philosophy, AI alignment asks a hard question: can we build artificial intelligence that truly serves humanity?
AI Alignment - Can We Make AI Safe?
YouTube video by Isaac Arthur
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October 16, 2025 at 3:51 PM
Why Data Centers in Space Could Launch a New Space Economy
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The future of computing might be off-world. Learn how orbital data centers could power AI, solar energy, and a thriving space industry.
Why Data Centers in Space Could Launch a New Space Economy
YouTube video by Isaac Arthur
youtu.be
October 13, 2025 at 1:02 PM
Dyson Spheres and Solar Commerce: The Birth of a Stellar Economy
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A Dyson Swarm isn’t just power—it’s prosperity. See how humanity could turn a star’s energy into a solar-scale economy of trillions.
The Dyson Sphere Economy - Mega Structures, Mega Markets, and Mega-Wealth
YouTube video by Isaac Arthur
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October 12, 2025 at 12:58 PM
The Fermi Paradox: How Natural Nuclear Reactors May Have Created Life on Earth
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Could the origins of life on Earth trace back to a natural nuclear reactor? Long before humanity split the atom, nature itself may have done it first.
The Fermi Paradox - Did a Natural Nuclear Reactor Spark All Life?
YouTube video by Isaac Arthur
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October 9, 2025 at 1:00 PM
Solar Flares & Coronal Mass Ejections - Defending Earth from Our Own Star
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Solar storms are inevitable; disaster isn’t. Explore the physics of flares and CMEs, historical extremes, and realistic defenses—detection, delay & planet-scale shielding to weather the Sun’s worst days.
Solar Flares & Coronal Mass Ejections - Defending Earth from Our Own Star
YouTube video by Isaac Arthur
youtu.be
October 5, 2025 at 1:00 PM
After Mars - 8 Candidates For Where Humanity Should Go Next
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Mars may be humanity’s next great home—but it’s not the finish line. From floating cities above Venus to mining Mercury and the Belt, we explore what might follow Mars and how each could shape our future in space.
After Mars - 8 Candidates For Where Humanity Should Go Next
YouTube video by Isaac Arthur
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October 2, 2025 at 1:01 PM
New Dwarf Planet Discovered... A Minor Planet With a Major Future?
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The discovery of 2017 OF201 reminds us that even small worlds can hold vast potential — not just as frozen orbs, but as stepping stones for interstellar civilization.
New Dwarf Planet Discovered... A Minor Planet With a Major Future?
YouTube video by Isaac Arthur
youtu.be
September 30, 2025 at 5:47 PM
Exploring The Multiverse: Infinite Realities, One Grand Mystery
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The universe is beyond immense, and yet it might be nothing more than a tiny dot beside the rest of reality.
Exploring The Multiverse: Infinite Realities, One Grand Mystery
YouTube video by Isaac Arthur
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September 28, 2025 at 1:04 PM
Orbital Foundries & Zero G Manufacturing - Building in Space
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Gravity has always shackled industry, but orbit frees us to build in ways Earth never allowed. This episode explores the rise of orbital foundries and the industries they unlock.
Orbital Foundries & Zero G Manufacturing - Building in Space
YouTube video by Isaac Arthur
youtu.be
September 25, 2025 at 1:02 PM
Is 3I/ATLAS an Alien Artifact?
youtu.be/mwlTlw3rV5I
3I/ATLAS is only the third interstellar object we’ve ever seen — but could it really be an alien artifact, or just another comet with unusual traits?
Is 3I/ATLAS an Alien Artifact?
YouTube video by Isaac Arthur
youtu.be
September 23, 2025 at 1:00 PM
Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?
youtu.be/IJQoFXO5YcU
Could life thrive in seas of methane instead of water? We explore Titan-like worlds and the alien ecosystems they might harbor.
Life in Methane Oceans: Could Aliens Evolve on Titan-like Worlds?
YouTube video by Isaac Arthur
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September 20, 2025 at 3:07 PM
Space Habitat Clusters & Conglomerations
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Space isn’t just for lonely colonies—it’s for communities. Join us as we imagine constellations of space habitats bound by tethers, trade, and trust, building not just homes in the stars but entire civilizations.
Space Habitat Clusters & Conglomerations
YouTube video by Isaac Arthur
youtu.be
September 18, 2025 at 1:01 PM