Post-Consciousness Civilizations: Evolving Beyond Human Awareness Extended Edition
Latest Videos
Building a Dyson Swarm from Scratch
What does it take to turn the Sun into a power grid? Discover the step-by-step path from asteroid mining to a star-spanning megastructure. Watch my exclusive video Dark Biospheres:...
Can We Extend The Sun’s Lifetime?
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...
Ancient Alien Artifacts – Cosmic Relics Of A Dangerous Past
Get a free trial TODAY with Hostinger Horizons! Use code ISAACARTHUR to get 10% off your first month here: http://hostinger.com/isaacarthur The silence of the stars might be hiding more than an absence of life — it might conceal ancient machines,...
Colonizing Rogue Planets
Go to https://hensonshaving.com/isaacarthur and enter "Isaac Arthur " at checkout to get 100 free blades with your purchase. Rogue planets wander the cosmos without stars, but could we still call them home? This episode dives into how humanity...
The Worst Place To Build A Space Colony
From Venus’s crushing heat to black holes’ cosmic spaghetti makers, we explore the absolute worst places to build a space colony — and how extreme engineering could still make them livable. Even the deadliest real estate in the cosmos can become...
The Great Scientific Scams – From Snake Oil to Cold Fusion
What do snake oil, N-rays, and cold fusion have in common? They’re all cautionary tales reminding us why skepticism is essential to science—and to our future. Watch my exclusive video Dark Biospheres:...
The Fermi Paradox & The Hivemind Dilemma
Are we alone, or just looking for the wrong kind of aliens? Discover how the path to hive minds and distributed consciousness might answer the Fermi Paradox — and pose new dilemmas of their own. Watch my exclusive video Dark Biospheres:...
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...
Galaxy Scale Megastructures & Kardashev 3 Civilizations
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...