Image The Winkel Tripel projection, which is so-called because it aims to minimize three kinds of distortion: area, direction and distance.Credit...Daniel R. Strebe, via Wikimedia Commons But ...

A globe, for instance, would get a perfect zero. By their calculations, the Mercator projection scores 8.296 and Winkel Tripel does better at 4.563. Their own azimuthal equidistant double-sided ...