Another part of the archive was computational and dazzling. There was a dataset of nocturnal light readings captured by foot-mounted photometers: tens of thousands of points logged at one-second intervals. The Workshop’s visualization team turned that into a "luminal map" that pulsed to the cadence of city rhythms — bars where light blurred into neon, alleyways of intermittent lamp-posts, a cemetery’s static blue. They released the code alongside, with creative-commons licenses and a README that taught novices how to generate their own luminal maps.
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