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 The Atom (How Small Is It Series #2) Is Every Electron In The Universe The Same Electron? The Microscope (How Small Is It Series #1) What Is A Photon? What Is Quantum Mechanics?