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Drivers Tend To Kill Pedestrians At Night. Thermal Imaging May Help.
(www.forbes.com)
This is a most excellent place for technology news and articles.
IMO, I don't think it matters whether we can or can't. I don't think we should even if we could. Light pollution from cities is bad enough. Adding that many more lights would make it so much worse.
Conical shades on streetlights and yellow light to reduce interference with sleep.
Also: fewer fucking cars.
Imagine how much less light pollution there would be without all the cars...