Home > Science > What Did Einstein Mean By Curved Spacetime? What Did Einstein Mean By Curved Spacetime? Science Share on Pinterest Two physicists explain one of the basic principles in Einstein’s general theory of relativity. Share on Pinterest Related Posts Wormholes Explained What Is Quantum Mechanics? What Is Gravity? Theory From Newton To Einstein Animated Explanation of Quantum Mechanics The Microscope (How Small Is It Series #1)