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A friend of mine is inquiring about why blacklights have been installed around the city. i live in a country style county and this is the first time i have heard about this. what is the purpose of having black lights shining down on us

A friend of mine is inquiring about why blacklights have been installed around the city. i live in a country style county and this is the first time i have heard about this. what is the purpose of having black lights shining down on us

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[–] 0 pt

Anecdotal evidence is not real proof. Besides, we already know the cause and it's not sinister. White LEDs are actually blue LEDs with a phosphor coating that makes them shone White. The phosphor coating is failing and more blue/near UV light is coming out instead of the White light from the phosphor. They're just low quality LEDs that are going bad.