A streetlight that can detect floods and prevent disease

[Camfer]

[QUOTE=Emiliano;647695The older, yellowy lights mimic dusk/dawn, which is why they are so much less disruptive.
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Or perhaps mimic a campfire, since we evolved with fire at night for cooking and safety.

Since I'm colorblind, those old orange sodium vapor lights greatly interfere with my ability to read traffic lights. I have little idea which color traffic light is illuminated. Scary. I haven't seen what LEDs do to me yet.