Isaac Arthur (@isaac_a_arthur) 's Twitter Profile
Isaac Arthur

@isaac_a_arthur

Science & Futurism with Isaac Arthur. Sub my #SFIA YouTube channel, for writers and scientists making Scifi into non-fiction.
Space, AI, Physics.
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linkhttps://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/featured calendar_today01-08-2016 06:16:27

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Life on Mars? Perseverance’s Sapphire Canyon Discovery youtu.be/_o9-YFkK88s NASA’s Perseverance rover may have found the best hint yet of Martian life — strange minerals in Jezero Crater that could be microbial fingerprints… or just clever geology.

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Space Habitat Clusters & Conglomerations youtu.be/jEWRL-6BR0A 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.

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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.

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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?

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Orbital Foundries & Zero G Manufacturing - Building in Space youtu.be/-b71w0eTuck 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.

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Exploring The Multiverse: Infinite Realities, One Grand Mystery youtu.be/wb3jGT6vob4 The universe is beyond immense, and yet it might be nothing more than a tiny dot beside the rest of reality.

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New Dwarf Planet Discovered... A Minor Planet With a Major Future? youtu.be/GboWwqzAHEo 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.

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After Mars - 8 Candidates For Where Humanity Should Go Next youtu.be/dJG1iTgUuG8 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 Asteroid Belt, to building bases on the Jovian moons and Titan, we

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Solar Flares & Coronal Mass Ejections - Defending Earth from Our Own Star youtu.be/hWCp4iPkiqU Solar storms are inevitable; disaster isn’t. We explore the physics of flares and CMEs, historical extremes, and realistic defenses—detection, delay, and planetary-scale shielding—to

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The Fermi Paradox: How Natural Nuclear Reactors May Have Created Life on Earth youtu.be/e8Bei1l8vuU 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. In this episode, we

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Dyson Spheres and Solar Commerce: The Birth of a Stellar Economy youtu.be/-FQxpIqciz0 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.

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Why Data Centers in Space Could Launch a New Space Economy youtu.be/iLNrYwx0th0 The future of computing might be off-world. Learn how orbital data centers could power AI, solar energy, and a thriving space industry.

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AI Alignment - Can We Make AI Safe? youtu.be/eKNbu6pRxjM From safety protocols to philosophy, AI alignment asks a hard question: can we build artificial intelligence that truly serves humanity?

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Abandoned Space Colonies - How Worlds Can Unterraform Themselves youtu.be/rZgJrLifKws 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.

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Twilight Imperium: When Galactic Civilizations Ebb youtu.be/o_AUTrkmWYE 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?

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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?

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The Fermi Paradox - Cosmic Forbidden Zones youtu.be/h2teHmbvGR0 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?

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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.

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The Space Mining Boom - How Resources Will Shape the Future Economy youtu.be/0l5Sv54pgYI 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

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Doomsday Devices & Ontological Weaponry: The End of Worlds — and of Reality Itself youtu.be/DKHjxQYyjIs 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