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 A Photon? Wormholes Explained General Relativity – The Curvature Of Spacetime Gravity Visualized Unsolved Mysteries – Six Things Scientists Can’t Explain