Quote:
Originally posted by PsychoMan
The thing about street lights is that usually each individual light has a luminance sensor to detect when the light should come on. If you put a bright or reflective object under a street light, you can sometimes fool it into thinking that the sun is rising.
For example, the other year my mom and I were trying to navigate through a strange city at night. The map light wasn't working in our car, so we stopped under a street light. The light went out pretty much right away, so we drove to the next one. That one went out too, and at the same time the previous one turned on again. It was quite frustrating.
These days when it happens as I'm walking I just figure it must be my bald head reflecting the light back into the sensor. 
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In high school we used to shine spotlights on them to make them go out
