General Relativity in a Nutshell

“Spacetime tells matter how to move; matter tells spacetime how to curve.”
― John Archibald Wheeler

At its heart, general relativity boils down elegantly to the equation:

This simple yet powerful equation describes how matter-energy shapes the curvature of spacetime.

If you'd like a concise, insightful video that unpacks this fundamental idea, it's available now in The Lectures at Club Olympus.