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 Sites to check before buying on Amazon Something The Size of Pluto Once Smashed Into Mars DNA Doesn’t Look Like What You Think! How to Make VR Adult Movies Did You Know? Interesting Facts & Stats 8 Examples of Extremely Intelligent Animals