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 What Is Quantum Mechanics? General Relativity – The Curvature Of Spacetime Self-Replicating Robots And Space Exploration Unsolved Mysteries – Six Things Scientists Can’t Explain What Is A Photon?