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 How David Blaine Held His Breath For 17 Minutes Compilation of UFO Sightings – 2009 to 2011 Osmium – The Rarest Naturally Occurring Element How Are These Incredible RC Helicopter Stunts Possible? A Breakthrough In Laser Nuclear Fusion How The Toilet Changed History