Caretaker AI & Genus Loci

Caretaker AI & Genus Loci

Meet the caretaker AIs: guardians of planets, habitats, and civilizations. What happens when machines become the spirit and soul of the worlds they protect? Checkout Rifftrax https://go.nebula.tv/rifftrax?ref=isaacarthur Watch my exclusive video The Fermi Paradox -...

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Twilight Imperium: When Galactic Civilizations Ebb

Twilight Imperium: When Galactic Civilizations Ebb

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? Watch my exclusive video The Fermi Paradox - Civilization Extinction...

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Is There a Center of the Universe?

Is There a Center of the Universe?

Every galaxy thinks it’s the center of the cosmos—but in our expanding Universe, everywhere is the middle... or is it? We explore relativity, cosmic geometry, and what “center” really means. Join this channel to get access to perks:...

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The Fermi Paradox & The Hivemind Dilemma

The Fermi Paradox & The Hivemind Dilemma

Are we alone, or just looking for the wrong kind of aliens? Discover how the path to hive minds and distributed consciousness might answer the Fermi Paradox — and pose new dilemmas of their own. Watch my exclusive video Dark Biospheres:...

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SFIA Monthly Livestream: Sunday, July 30, 2023 4pm EST

SFIA Monthly Livestream: Sunday, July 30, 2023 4pm EST

Our monthly livestream Q&A session. Join us on July, 2023, at 4pm EST, Sunday, and get your questions about the channel and episodes on chat to be answered! Join Nebula: https://go.nebula.tv/isaacarthur Support the stream: https://streamlabs.com/isaacarthur Catch...

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