Feudalism once ruled Earth—could it rule the cosmos too? We dive into the strange but plausible world of space nobles, orbital dukes, and knights of the vacuum clad in power armor or piloting mecha. Watch my exclusive video The Economics of Immortality:...
From O’Neill cylinders to spiral habitats, discover how humanity might build colossal, interconnected cities high above Earth. Watch my exclusive video The Economics of Immortality: https://nebula.tv/videos/isaacarthur-the-economics-of-immortality Get Nebula using my...
AI might one day reshape our world, but your toaster isn’t about to start a technological Singularity. Here’s why everyday gadgets won’t turn into godlike machines. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join...
Go to https://hensonshaving.com/isaacarthur and enter "Isaac Arthur " at checkout to get 100 free blades with your purchase. What happens after intelligence explodes beyond human comprehension? We explore a world shaped by superintelligence, where humanity may ascend,...
From geostationary satellites to lunar megastructures, we ask: is the Moon the best place to build giant power stations for Earth? Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join Visit our Website:...
Could humanity actually keep the Sun burning longer? We explore the wild idea of “starlifting” to extend our star’s life by billions of years. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join Visit our Website:...
Imagine engineering projects so vast they mold galaxies into new shapes. We’ll explore the staggering feats of Kardashev-3 and beyond civilizations, crafting CARD galaxies, Birch Planets, and even rearranging superclusters. Watch my exclusive video Dark Biospheres:...
Explore the entire life story of the cosmos, from quantum flickers at the Big Bang to the distant eras of black holes and dark energy, and discover what kinds of civilizations might endure across these unimaginable spans of time. Watch my exclusive video Mass Drivers...
Aliens don’t always attack with lasers—sometimes, the smartest invasions begin with a gift, a whisper, or a smile. Join us as we count down ten invasion strategies that actually make sense. Join this channel to get access to perks:...
Join us as we journey beyond the birth of the universe to unravel the mysteries of what might have preceded the Big Bang—and whether time itself had a beginning. Watch my exclusive video Mass Drivers on the Moon:...
Explore the real economics of building and operating a space elevator—from ship-launched ribbons to megaton climbers—and how this infrastructure could change the world. Watch my exclusive video Fishbowl Starships - Water As Shielding -...
Most Stars are far less stable than our own, and many possess much stronger solar wind, which will strip atmospheres off planets and produce dangerous radiation belts in vital orbital space. Join this channel to get access to perks:...