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 Australia Is Replacing Passports with Facial Recognition Genetic Engineering Will Change Everything Forever This Is Your Brain On Stale Air Climate Change Explained Why People Keep Seeing Crazy Stuff on Mars The coin flip conundrum – Po-Shen Loh