general relativity | Isaac Arthur

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:...

Untangling String Theory

Explore the fascinating world of string theory, where tiny vibrating strings may hold the key to unifying quantum mechanics and general relativity. Dive into the mysteries of extra dimensions and the quest for a 'theory of everything. Watch my exclusive video The...