You’re going to need some double-sided tape. By Joshua Sokol Most of the world maps you’ve seen in your life are past their prime. The Mercator was devised by a Flemish cartographer in 1569 ...

Their own azimuthal equidistant double-sided projection, meanwhile, scores 0.881. “We believe it is the most accurate flat map of Earth yet,” the trio write.

The new map claims to be less distorted due to being two-sided and round. It can display the Eastern and Western Hemispheres on the sides or the Northern and Southern Hemispheres..

This double-sided map has smaller distance errors than any single-sided flat map — the previous record-holder being a 2007 map by Gott with Charles Mugnolo, a 2005 Princeton alumnus. In fact, this map ...