Not only are light bulbs getting sharper and more energy efficient as they are upgraded to LEDs, but they increasingly help fight crime, promote safe cycling and even protect turtles.
From BBC News
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How the Street Light Has Been Given a Hi-Tech Makeover
By BBC News
October 7, 2016
![[article image]](https://cacm.acm.org/system/assets/0002/5251/10716.bbcnews.light_pollution.large.jpg?1476779526&1475862972 "Light pollution")
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