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 Time? What Is Gravity? Theory From Newton To Einstein The Higgs Boson (How Small Is It Series #4) The Microscope (How Small Is It Series #1) Unsolved Mysteries – Six Things Scientists Can’t Explain