The job of a tennis line judge can be though when you have to judge the difference of a few millimeters as a ball speeds by. Sure, it’s easy to complain about bad calls at home, where we get to see replays in slow motion, but it’s more challenging in real life. The Wall Street Journal provides a bit of the experience with an interactive game. Watch video clips from a line judge’s point of view, and try to make the right call.
Be a tennis line judge: Interactive tests your skills
Reviving the Statistical Atlas of the United States with New Data
Due to budget cuts, there is no plan for an updated atlas. So I recreated the original 1870 Atlas using today’s publicly available data.