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 This Place Has Burned for over 40 Years – Door to Hell What Is in a Meteor Crater? How Are Gold Bars Made? Can you solve the airplane riddle? What’s the Safest Place on Earth? Inside a Lab Hacking Athletic Performance