When Earth Was Still Flat Painting

"Science is like magic that works." Kurt Vonnegut Viewing "When Earth Was Still Flat" on-line or in a video doesn't do it justice. You gotta see this in person to really appreciate it... and then you won't be able to take your eyes off it. The surface texture features oceans and deserts, mountains and vast lakes and is reminiscent of the topographical "Flat Earth" maps of the ancient world found in the antechambers below the Library of Alexandria in Egypt in 1288. The fact that Early Man and his upright descendants believed the Earth was flat right up until the end of the Dark Ages is one thing. But believing that during the Era of Enlightenment everyone suddenly understood astrophysics might be an oversimplification, don't you think? There are people born every day on this planet that will see no more of the Earth than the horizon in each direction from the house they were born in. That might mean a small town or village, or a hut somewhere, or it might mean in a specific neighborhood in a big city. Is the Earth still flat as far as they're concerned? Probably. My one and only question has always been; If the Earth was flat like this map at one point but now it's round like a globe... how did that happen? And when? Ok, that's two questions. There might be more questions, but let's start with those two. How and when did the Earth get round?