Summary
WHAT if there were a way to save the planet that saved public money, and made the stars easier to see? Environmentalists have come up with such an idea -- motionsensitive street lamps. These emit a low-strength light, which doubles in power once body heat is detected.
Ten seconds later they revert back to normal, reducing light pollution.See the full content of this document
Extract
Intelligent Street Lamps ; Here's a Thought
'Nothing like th...
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