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 The Higgs Boson (How Small Is It Series #4) What Is Time? The Microscope (How Small Is It Series #1) What Is Quantum Mechanics?