Orbital Arcologies: Mega-Cities in Space

Orbital Arcologies: Mega-Cities in Space

From O’Neill cylinders to spiral habitats, discover how humanity might build colossal, interconnected cities high above Earth. Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-the-economics-of-immortality Get Nebula using my...

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The O’Neill Cylinder Space Habitat: Islands In The Sky

The O’Neill Cylinder Space Habitat: Islands In The Sky

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...

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