Cryosleep isn’t futuristic napping—it’s pausing biology so the universe can catch up. Time management, not sleep. 🚀 Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join 🛒 SFIA Merchandise:...
The Anthropic Principle – Are We Meant to Be Here, or Just Lucky?
Are we here by design, chance, or selection bias? The Anthropic Principle, fine-tuning, doomsday math, and Boltzmann brains. Get Nebula using my link for 50% off an annual subscription: https://go.nebula.tv/isaacarthur Check out Joe Scott's Oldest & Newest:...
Talking the Future: Science, Space, and Civilization | Live Q&A
It’s been two years since our last live session, and with so much changing in science and AI, it’s time to catch up. I’ll be taking your questions live on everything from space megastructures to the future of civilization. 🚀 Join this channel to get access to perks:...
Which Stars Could We Live Around? Ranking Every Type of Star
From giant O-stars to dim brown dwarfs, we rank every stellar class by how well they could host life, Dyson swarms, and advanced civilizations across cosmic time. Watch my exclusive video Rogue AI Empires:...
Surviving the Death of the Sun – Moving Earth or Finding a New Home
Discover how to move worlds and forge new stars. Go to the link: https://imprintapp.com/isaacarthur to get 25% off an annual membership Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon:...
Is There a Center of the Universe?
Every galaxy thinks it’s the center of the cosmos—but in our expanding Universe, everywhere is the middle... or is it? We explore relativity, cosmic geometry, and what “center” really means. Join this channel to get access to perks:...
Is 3I/ATLAS an Alien Artifact?
3I/ATLAS is only the third interstellar object we’ve ever seen — but could it really be an alien artifact, or just another comet with unusual traits? Watch my exclusive video The Economics of Immortality:...
What’s the Biggest Structure in the Universe?
The cosmos is vast, but what’s the largest thing in it? From massive galactic filaments to speculative megastructures, we explore the biggest known formations in the Universe—and what might outsize even them. Join this channel to get access to perks:...
Dark Stars: Ancient Mysteries From The Dawn Of Time
🌏 Get Exclusive NordVPN deal here ➼ https://nordvpn.com/isaacarthur It’s risk-free with Nord’s 30-day money-back guarantee! Long before the first conventional stars ignited, the Universe was shrouded in darkness, a vastly different realm from what we know today. In...
The Cities of Mars
One day we will journey to the Red Planet and perhaps settle there, but what great civilizations and cities will emerge on the red sands? Watch my exclusive video Exploring The Multiverse: https://nebula.tv/videos/isaacarthur-exploring-the-multiverse Get Nebula using...
Were Primitive Humans Uplifted By Aliens?
Many believe humanity's climb upward may have been assisted by outsiders. Is this possible, and if so, what does that tell us about our own past... and future? Watch my exclusive video Jupiter Brains & Mega Minds:...
The Fermi Paradox: Migration
Go to https://brilliant.org/IsaacArthur/ to get a 30-day free trial and 20% off their annual subscription. We often wonder where all the vast and ancient alien civilizations are, but could it be that they've migrated far away in space or time, or even journeyed beyond...
