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Podcast by Isaac Arthur
How would real space war actually work? From stealth myths to fuel limits, explore the brutal physics shaping starships, tactics, and surviv...
How would real space war actually work? From stealth myths to fuel limits, explore the brutal physics shaping starships, tactics, and surviv...
What if civilizations outgrow consciousness itself? Explore post-human minds, machine societies, and a future where awareness may no longer...
What if civilizations outgrow consciousness itself? Explore post-human minds, machine societies, and a future where awareness may no longer...
Magnetic monopoles are hypothetical particles with a single magnetic charge — north without south. Predicted by grand unified theories, they...
Magnetic monopoles are hypothetical particles with a single magnetic charge — north without south. Predicted by grand unified theories, they...
Could we build wormholes and travel the galaxy? Exploring stable wormholes, spacetime shortcuts, and the future of interstellar civilization...
Could we build wormholes and travel the galaxy? Exploring stable wormholes, spacetime shortcuts, and the future of interstellar civilization...
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 bu...
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 bu...
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 prim...
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 prim...
Cosmic strings may be ultra-thin defects in spacetime—relic “cracks” from the early universe. How we’d detect them, what they mean for physi...
Cosmic strings may be ultra-thin defects in spacetime—relic “cracks” from the early universe. How we’d detect them, what they mean for physi...
Interstellar city-states may dominate future space travel, governing the laser highways that connect stars and shape galactic civilization....
Interstellar city-states may dominate future space travel, governing the laser highways that connect stars and shape galactic civilization....
Humanity may not colonize planets—we may build our own worlds. Explore how rotating space habitats could spread across the Solar System and...
Humanity may not colonize planets—we may build our own worlds. Explore how rotating space habitats could spread across the Solar System and...
Is science nearing its limits? We explore whether humanity could ever run out of discoveries—or if the universe guarantees endless questions...
Is science nearing its limits? We explore whether humanity could ever run out of discoveries—or if the universe guarantees endless questions...
Civilizations at the end of time—how intelligence could survive heat death, cosmic isolation, entropy, and the universe’s longest future era...
Civilizations at the end of time—how intelligence could survive heat death, cosmic isolation, entropy, and the universe’s longest future era...
Biohacks and brain implants are coming fast. From memory upgrades to neural meshes, how will implant culture reshape identity, economics, an...
Biohacks and brain implants are coming fast. From memory upgrades to neural meshes, how will implant culture reshape identity, economics, an...
What if we built entire planets around tiny black holes? Explore engineered micro worlds, artificial gravity, and the future of compact mega...
What if we built entire planets around tiny black holes? Explore engineered micro worlds, artificial gravity, and the future of compact mega...
Colonizing brown dwarfs: habitats, megastructures, and hidden homes around failed stars. Could these dim embers power civilizations for tril...
Colonizing brown dwarfs: habitats, megastructures, and hidden homes around failed stars. Could these dim embers power civilizations for tril...
From Goddard’s first rocket to space elevators and mass drivers, we explore 100 years of rocketry—and the launch technologies that could car...
From Goddard’s first rocket to space elevators and mass drivers, we explore 100 years of rocketry—and the launch technologies that could car...
What happens when AI controls prices, jobs, markets, and growth itself? Explore the future of an economy run by machines—and what it means f...
What happens when AI controls prices, jobs, markets, and growth itself? Explore the future of an economy run by machines—and what it means f...
What if alien life isn’t carbon at all? Imagine crystal organisms growing across deserts, powered by lightning and forming vast mineral ecos...
What if alien life isn’t carbon at all? Imagine crystal organisms growing across deserts, powered by lightning and forming vast mineral ecos...
In a post-scarcity civilization where material needs are met, black markets don’t vanish—they evolve. Explore why scarcity shifts to identit...
In a post-scarcity civilization where material needs are met, black markets don’t vanish—they evolve. Explore why scarcity shifts to identit...
Interstellar city-states may dominate future space travel, governing the laser highways that connect stars and shape galactic civilization....
Interstellar city-states may dominate future space travel, governing the laser highways that connect stars and shape galactic civilization....
Could life on Earth have arrived from space? Explore panspermia, alien comets, and how life might spread across the galaxy. Get Nebula using...
Could life on Earth have arrived from space? Explore panspermia, alien comets, and how life might spread across the galaxy. Get Nebula using...
Humanity’s first interstellar ark becomes something bigger. Explore Fleet Unity—a roaming civilization, ship-turned-shipyard, and the birth...
Humanity’s first interstellar ark becomes something bigger. Explore Fleet Unity—a roaming civilization, ship-turned-shipyard, and the birth...
Why might alien intelligence evolve at gigantic scales? Big Alien Theory explores how size alone could silence advanced civilizations. Get N...
Why might alien intelligence evolve at gigantic scales? Big Alien Theory explores how size alone could silence advanced civilizations. Get N...
How interstellar relays could move data, cargo, and starships between stars using lasers, light sails, and cosmic-scale infrastructure. Get...
How interstellar relays could move data, cargo, and starships between stars using lasers, light sails, and cosmic-scale infrastructure. Get...
Is math truly universal—or just human? Explore how alien minds might think, count, and reason in ways we don’t recognize as mathematics at a...
Is math truly universal—or just human? Explore how alien minds might think, count, and reason in ways we don’t recognize as mathematics at a...
How close are we to vacationing in orbit? Space hotels, real costs, and the tipping point where space tourism becomes normal. Get Nebula usi...
How close are we to vacationing in orbit? Space hotels, real costs, and the tipping point where space tourism becomes normal. Get Nebula usi...