Science & Futurism With Isaac Arthur

Cosmic strings may be ultra-thin defects in spacetime—relic “cracks” from the early universe. How we’d detect them, what they mean for physics, and how aliens might exploit them.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Settling Saturn's Rings: https://nebula.tv/videos/isaacarthur-settling-saturns-rings-exploring-the-origins-resources-and-future-habitats-of-a-halo-world

Cosmic strings may be ultra-thin defects in spacetime—relic “cracks” from the early universe. How we’d detect them, what they mean for physics, and how aliens might exploit them.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Settling Saturn's Rings: https://nebula.tv/videos/isaacarthur-settling-saturns-rings-exploring-the-origins-resources-and-future-habitats-of-a-halo-world

Interstellar city-states may dominate future space travel, governing the laser highways that connect stars and shape galactic civilization.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Settling Saturn's Rings: https://nebula.tv/videos/isaacarthur-settling-saturns-rings-exploring-the-origins-resources-and-future-habitats-of-a-halo-worldCheck out Practical Engineering: https://nebula.tv/videos/realengineering-the-anatomy-of-the-nokia-3310/?ref=isaacarthur

Interstellar city-states may dominate future space travel, governing the laser highways that connect stars and shape galactic civilization.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Settling Saturn's Rings: https://nebula.tv/videos/isaacarthur-settling-saturns-rings-exploring-the-origins-resources-and-future-habitats-of-a-halo-worldCheck out Practical Engineering: https://nebula.tv/videos/realengineering-the-anatomy-of-the-nokia-3310/?ref=isaacarthur

Humanity may not colonize planets—we may build our own worlds. Explore how rotating space habitats could spread across the Solar System and beyond, forming a vast diaspora of artificial worlds that reshape civilization and interstellar expansion.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Settling Saturn's Rings: https://nebula.tv/videos/isaacarthur-settling-saturns-rings-exploring-the-origins-resources-and-future-habitats-of-a-halo-world

Humanity may not colonize planets—we may build our own worlds. Explore how rotating space habitats could spread across the Solar System and beyond, forming a vast diaspora of artificial worlds that reshape civilization and interstellar expansion.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Settling Saturn's Rings: https://nebula.tv/videos/isaacarthur-settling-saturns-rings-exploring-the-origins-resources-and-future-habitats-of-a-halo-world

Is science nearing its limits? We explore whether humanity could ever run out of discoveries—or if the universe guarantees endless questions, deeper mysteries, and new frontiers forever.

Is science nearing its limits? We explore whether humanity could ever run out of discoveries—or if the universe guarantees endless questions, deeper mysteries, and new frontiers forever.

Civilizations at the end of time—how intelligence could survive heat death, cosmic isolation, entropy, and the universe’s longest future eras.Take back your personal data with Incogni! Use code isaacarthur at the link below and get 60% off annual plans: https://incogni.com/isaacarthur

Civilizations at the end of time—how intelligence could survive heat death, cosmic isolation, entropy, and the universe’s longest future eras.Take back your personal data with Incogni! Use code isaacarthur at the link below and get 60% off annual plans: https://incogni.com/isaacarthur

Biohacks and brain implants are coming fast. From memory upgrades to neural meshes, how will implant culture reshape identity, economics, and civilization itself?Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Tech Alter: https://nebula.tv/techaltar?ref=isaacarthurand Day Pass: https://nebula.tv/daypass?ref=isaacarthur

Biohacks and brain implants are coming fast. From memory upgrades to neural meshes, how will implant culture reshape identity, economics, and civilization itself?Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Tech Alter: https://nebula.tv/techaltar?ref=isaacarthurand Day Pass: https://nebula.tv/daypass?ref=isaacarthur

What if we built entire planets around tiny black holes? Explore engineered micro worlds, artificial gravity, and the future of compact megastructures.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Practical Engineering: https://nebula.tv/practical-engineering?ref=isaacarthur

What if we built entire planets around tiny black holes? Explore engineered micro worlds, artificial gravity, and the future of compact megastructures.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Practical Engineering: https://nebula.tv/practical-engineering?ref=isaacarthur

Colonizing brown dwarfs: habitats, megastructures, and hidden homes around failed stars. Could these dim embers power civilizations for trillions of years?Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out 17 Pages: https://nebula.tv/17pages?ref=isaacarthurand A Bit Obscure https://nebula.tv/abitfrank/a-bit-obscure?ref=isaacarthur

Colonizing brown dwarfs: habitats, megastructures, and hidden homes around failed stars. Could these dim embers power civilizations for trillions of years?Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out 17 Pages: https://nebula.tv/17pages?ref=isaacarthurand A Bit Obscure https://nebula.tv/abitfrank/a-bit-obscure?ref=isaacarthur

From Goddard’s first rocket to space elevators and mass drivers, we explore 100 years of rocketry—and the launch technologies that could carry humanity beyond rockets.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Day Pass: https://nebula.tv/daypass?ref=isaacarthur

From Goddard’s first rocket to space elevators and mass drivers, we explore 100 years of rocketry—and the launch technologies that could carry humanity beyond rockets.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Day Pass: https://nebula.tv/daypass?ref=isaacarthur

What happens when AI controls prices, jobs, markets, and growth itself? Explore the future of an economy run by machines—and what it means for work, power, and humanity.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Abolish Everything https://nebula.tv/abolish?ref=isaacarthur

What happens when AI controls prices, jobs, markets, and growth itself? Explore the future of an economy run by machines—and what it means for work, power, and humanity.Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthurWatch my exclusive video Lazarus Protocols: https://nebula.tv/videos/isaacarthur-lazarus-protocols-reviving-civilizations-after-extinctionCheck out Abolish Everything https://nebula.tv/abolish?ref=isaacarthur