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 The Crazy Tech Behind America’s Arctic Missile Defense Why Do Some Organs Come In Pairs? This attachment turns your desk into a swing How Astronauts Grow Plants In Space Engineering + Biology = Synthetic Biology How We’ll Control The Weather In 100 Years