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
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Restaurant Reopenings, a Comparison to Last Year
Restaurants are reopening for dining across the United States. Some states are doing it faster than others.
Years You Have Left to Live, Probably
The individual data points of life are much less predictable than the average. Here’s a simulation that shows you how much time is left on the clock.