Science & Futurism with Isaac Arthur

Can humanity ever know everything? Explore the hard limits of knowledge: cosmic horizons, quantum measurement, chaos, computation, lost meaning, AI, wisdom, and the shoreline of the unknown. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-suba...

Can humanity ever know everything? Explore the hard limits of knowledge: cosmic horizons, quantum measurement, chaos, computation, lost meaning, AI, wisdom, and the shoreline of the unknown. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-suba...

The Moon isn’t a stepping stone—it’s the foundation. Discover how industry, logistics, and self-building machines could turn Luna into humanity’s first off-world civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch the SFIA Space Industry Collection: https://nebula.tv/isaacarthur/space-industry-collection 🛒 SFIA Merchandise: https://isa...

The Moon isn’t a stepping stone—it’s the foundation. Discover how industry, logistics, and self-building machines could turn Luna into humanity’s first off-world civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch the SFIA Space Industry Collection: https://nebula.tv/isaacarthur/space-industry-collection 🛒 SFIA Merchandise: https://isa...

Will the universe fade, rip apart, collapse, reset, or simply stop making sense? A tour of the strangest possible endings of reality. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe's Scott's Oldest and Newest Places on Earth: https://nebula.tv/oldestnewest?ref=isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.t...

Will the universe fade, rip apart, collapse, reset, or simply stop making sense? A tour of the strangest possible endings of reality. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe's Scott's Oldest and Newest Places on Earth: https://nebula.tv/oldestnewest?ref=isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.t...

The universe has stars that don’t just shine, they threaten worlds. Explore neutron stars, magnetars, pulsars, hypernovae, vampire stars, and gamma-ray bursts. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch the SFIA Space Industry Collection: https://nebula.tv/isaacarthur/space-industry-collection 🛒 SFIA Merchandise: https://isaac-arthur-shop.f...

The universe has stars that don’t just shine, they threaten worlds. Explore neutron stars, magnetars, pulsars, hypernovae, vampire stars, and gamma-ray bursts. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch the SFIA Space Industry Collection: https://nebula.tv/isaacarthur/space-industry-collection 🛒 SFIA Merchandise: https://isaac-arthur-shop.f...

Could digital immortality really save you, or just create a convincing copy? We explore mind uploading, backups, identity, and whether survival means continuity… or redundancy. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe's Scott's Oldest and Newest Places on Earth: https://nebula.tv/oldestnewest?ref=isaacarthur Watch my exclusive vide...

Could digital immortality really save you, or just create a convincing copy? We explore mind uploading, backups, identity, and whether survival means continuity… or redundancy. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe's Scott's Oldest and Newest Places on Earth: https://nebula.tv/oldestnewest?ref=isaacarthur Watch my exclusive vide...

Artificial intelligence may be civilization’s greatest tool… or its last. Could AI explain why the galaxy seems silent, or does it make the Fermi Paradox even harder? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements Check...

Artificial intelligence may be civilization’s greatest tool… or its last. Could AI explain why the galaxy seems silent, or does it make the Fermi Paradox even harder? Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Colonizing Ocean Worlds: https://nebula.tv/videos/isaacarthur-colonizing-ocean-worlds-subaquatic-settlements Check...

From cosmic rays to solar storms, space travel is a radiation gauntlet—but water may be the simplest, smartest solution. Discover how future starships might turn their life-support systems into life-saving armor. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-super...

From cosmic rays to solar storms, space travel is a radiation gauntlet—but water may be the simplest, smartest solution. Discover how future starships might turn their life-support systems into life-saving armor. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-super...

Can antimatter be stored safely? Explore magnetic traps, starship fuel, and the terrifying challenge of bottling energy that destroys any container it touches. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-and-could-we-stop-it 🛒...

Can antimatter be stored safely? Explore magnetic traps, starship fuel, and the terrifying challenge of bottling energy that destroys any container it touches. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-and-could-we-stop-it 🛒...

What if we found a true second Earth nearby? A living world, a barren paradise, or something too familiar to be natural could change science, politics, and humanity’s future forever. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-...

What if we found a true second Earth nearby? A living world, a barren paradise, or something too familiar to be natural could change science, politics, and humanity’s future forever. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-...

From Dysonian SETI to waste heat and galactic timelines, we explore why we haven’t found Dyson Spheres—and what their absence reveals about civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-and-could-we-stop-it 🛒 SFIA...

From Dysonian SETI to waste heat and galactic timelines, we explore why we haven’t found Dyson Spheres—and what their absence reveals about civilization. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-and-could-we-stop-it 🛒 SFIA...

Can humanity ever travel faster than light, or does every shortcut through spacetime break causality itself? We explore warp drives, wormholes, tachyons, and why the universe pushes back. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-e...

Can humanity ever travel faster than light, or does every shortcut through spacetime break causality itself? We explore warp drives, wormholes, tachyons, and why the universe pushes back. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-e...

Explore the future of space habitats, from rotating cylinders and torus colonies to orbital cities, asteroid homes, and the megastructures humanity may one day live inside. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-and-could-...

Explore the future of space habitats, from rotating cylinders and torus colonies to orbital cities, asteroid homes, and the megastructures humanity may one day live inside. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-and-could-...

What if fusion power never becomes practical? Humanity still has solar, fission, storage, beamed power, and enough known physics to build a spacefaring future. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Watch my exclusive video Nearby Supernovae: https://nebula.tv/videos/isaacarthur-nearby-supernovae-could-one-destroy-earth-and-could-we-stop-it 🛒...