Genetic Bottlenecks – How Few People Can Start a World? Or Restart One?
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Fleet of the Void – Designing Warships for Deep Space
How would real space war actually work? From stealth myths to fuel limits, explore the brutal physics shaping starships, tactics, and survival in deep space combat. Get Nebula using my link for 50% off an annual subscription:...
Could A Civilization Turn A Star Into A Computer?
Could a civilization turn a star into a computer? Matrioshka Brains use entire suns to think, simulating realities beyond imagination. See Jupiter Brains & Mega Minds on SFIA. 🚀 Join this channel to get access to perks:...
Post-Consciousness Civilizations: Evolving Beyond Human Awareness Extended Edition
What if civilizations outgrow consciousness itself? Explore post-human minds, machine societies, and a future where awareness may no longer be required. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur...
Magnetic Monopoles & Magmatter – The Strongest Material That Might Exist
Magnetic monopoles are hypothetical particles with a single magnetic charge — north without south. Predicted by grand unified theories, they may be incredibly massive and could bind together into “magmatter,” an ultra-dense material stronger than...
Talking the Future: Science, Space, and Civilization | April Live Q&A
Join Isaac Arthur for a live discussion on the future of humanity and the technologies that will get us there! 🌌 This month, we are diving deep into your questions on space megastructures, interstellar travel, and the long-term trajectory of our...
1 Million A.D.
What does humanity become in 1 Million A.D.? Galaxy-spanning civilizations, post-human minds, and a future where time, identity, and even Earth itself are transformed. Get Nebula using my link for 50% off an annual subscription:...
Additive Manufacturing in Microgravity
The most expensive part of space travel isn’t the fuel. It’s the cargo. Additive manufacturing isn’t a sci-fi magic trick; it’s the key to building shipyards and telescopes at scales rockets were never meant to handle. We aren't just launching...
How Many Alien Civilizations Could Exist In One Galaxy?
What if millions of alien civilizations exist… but never meet? The galaxy may be full of life—and still feel completely empty. The real Fermi Paradox might be distance. 🚀 Join this channel to get access to perks:...
The Fermi Paradox: Human Uniqueness and Oddity
Why does the galaxy seem silent? Maybe aliens aren’t rare—maybe humans are. We explore the strange mix of traits that turned one clever primate into a technological civilization, and whether our oddities might be the real Great Filter. Get Nebula...