The Fermi Paradox: Air — Atmospheres as a Great Filter

The Fermi Paradox: Air — Atmospheres as a Great Filter

Why is air the rarest and most crucial ingredient for life? We explore how atmospheres form, fail, and filter entire worlds—and how this shapes the Fermi Paradox and the search for alien civilizations. Get Nebula using my link for 50% off an annual subscription:...

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How Big Could a Space Habitat Get?

How Big Could a Space Habitat Get?

How big could space habitats really get? From O’Neill cylinders to Ringworlds and Topopolises, we explore the true limits of megastructure scale. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video...

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Cryogenic Arks – Sleeping Through the Ages

Cryogenic Arks – Sleeping Through the Ages

From frozen habitats to millennia-long journeys, we explore the science behind cryogenic arks and deep-time interstellar travel. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe Scott's Oldest & Newest:...

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Developing a Cis-Lunar Economy

Developing a Cis-Lunar Economy

Explore the roadmap to building an economy between Earth and the Moon. Go to the link: https://imprintapp.com/isaacarthur to get 25% off an annual membership Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on...

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The Future of Humanity – What Will We Become?

The Future of Humanity – What Will We Become?

From cyborgs to hive minds and civilizations of pure thought, we trace the possible futures of our species through the next trillion tomorrows. Checkout Scav: https://go.nebula.tv/scav?ref=isaacarthur Watch my exclusive video Autonomous Space Industry:...

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