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 Self-Replicating Robots And Space Exploration Animated Explanation of Quantum Mechanics Elementary Particles (How Small Is It Series #3) What Is Gravity? Theory From Newton To Einstein Unsolved Mysteries – Six Things Scientists Can’t Explain