To get started planning a career that works on one of the world’s most pressing problems, sign up now at https://80000hours.org/isaacarthur Gravity is a fascinating force, it’s what holds everything on our planet together, and it might one day help us travel to other...
Off The Grid: Technological Autonomy
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The Medusa Spaceship Drive
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Building Biospheres: Engineering Self-Sustaining Ecosystems for Future Worlds
Join us as we explore the science and challenges of building self-sustaining biospheres, where humanity could one day thrive beyond Earth. Watch my exclusive video Post-Stellar Civilizations: https://nebula.tv/videos/isaacarthur-poststellar-civilizations Get Nebula...
The Stanford Torus Space Habitat
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Ultra-Relativistic Spaceships: Racing Towards the Speed of Light
Explore the science and implications behind ultra-relativistic spaceships capable of approaching the speed of light, pushing the limits of technology and physics. Watch my exclusive video Orbital Farms: https://nebula.tv/videos/isaacarthur-orbital-farms Get Nebula...
The Fermi Paradox: Gravity
Explore how gravity might explain the Fermi Paradox and the Great Silence of the cosmos. Could gravitational forces impact the rise of life and sustainability of civilizations, influencing why we haven't found intelligent life? Watch my exclusive video Orbital Farms:...
Aliens Have Contacted Us… Now What?
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Nuclear Fusion: Updates & Impacts
Explore the latest breakthroughs in nuclear fusion technology and their potential global impacts. Watch my exclusive video Orbital Farms: https://nebula.tv/videos/isaacarthur-orbital-farms Get Nebula using my link for 40% off an annual subscription:...
Harvesting Planets: Space Mining and the Future of Resource Extraction
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Early Terraforming: The First Steps in Planetary Transformation
Terraforming an entire planet is a colossal undertaking that will take lifetimes to complete. So assuming you're that committed to seeing it through, how do you even start? Watch my exclusive video Orbital Farms: https://nebula.tv/videos/isaacarthur-orbital-farms Get...
Ghost Armadas & Primordial Galactic Wars
An exploration of the unsettling possibility we live in a universe of ancient galactic wars, ruins, relics, and leftover war machines scattered across the cosmos. Watch my exclusive video Caretaker AI & Genus Loci:...
