There was a great Radiolab episode about this system back in 2015: https://www.wnycstudios.org/podcasts/radiolab/articles/eye-sky https://www.wnycstudios.org/po

There was a great Radiolab episode about this system back in 2015: https://www.wnycstudios.org/podcasts/radiolab/articles/eye-sky https://www.wnycstudios.org/podcasts/radiolab/articles/eye-s...