Why Aliens Can’t Build Rockets – The Oxygen Bottleneck

Why Aliens Can’t Build Rockets – The Oxygen Bottleneck

Why some alien civilizations may never reach space 🚀 Without enough oxygen, fire fails—and without fire, industry, rockets, and stars remain forever out of reach. 🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join...

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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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Summer on Jupiter: Making a Second Sun

Summer on Jupiter: Making a Second Sun

Visit our sponsor, Brilliant: https://brilliant.org/IsaacArthur/ Jupiter is an enormous gas giant, more massive than all the other planets in the solar system combined... and yet small compared to our Sun and other Stellar Objects. Could Jupiter be turned into a...

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