How do you flatten a sphere? For centuries, mapmakers have agonized over how to accurately display our round planet on anything other than a globe. Now, a fundamental re-imagining of how maps can work ...

Earth is a sphere, so how can it be accurately portrayed on a 2D map? Simply flatten Earth into two pancakes, one depicting the Northern Hemisphere and the other the Southern, with the equator running ...

I usually work on general relativity and cosmology. I have always loved geometrical things. As a kid I was fascinated by map projections. When I was 14, I made a painted globe of Mars based on a flat ...