There is a 16-by-16 mile grid of big X’s in the Sonoran Desert that were used to calibrate spy satellites in the 1960s. They’re no longer in use, but Julie Anand and Damon Sauer have been studying the marks and overlaying the paths of publicly-known satellites that are detected during the time of a photograph.
Satellites from the ground
Unemployment in America, Mapped Over Time
Watch the regional changes across the country from 1990 to 2016.
Famous Movie Quotes as Charts
In celebration of their 100-year anniversary, the American Film Institute …
Graphical perception – learn the fundamentals first
Before you dive into the advanced stuff – like just about everything in your life – you have to learn the fundamentals before you know when you can break the rules.