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 Earth Hums – And Now We Know Why What Does “A 50% Chance of Rain” Actually Mean? Women’s Anger Lasts Longer then Men’s What put the bang in the big bang? The Future Is Here and It Is Made of Glass? Why is all Sand the Same?