What Did Einstein Mean By ‘Curved’ Spacetime? We asked two physicists to walk us through one of the basic principles in Einstein’s general theory of relativity. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts How does your body know what time it is? 5 Unsolved Secret Codes that Will Lead You to Lost Treasures If Green Energy Is So Great, Why Aren’t We Using It? The Insane Doomsday Weapon That America Almost Built Thrusters That Eat Teflon! | Pulsed Plasma Thrusters Is The Great Barrier Reef Actually Dead?