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Why Are Some Porch Lights Purple? Discover The Meaning Behind Them
Porch lights come in all colors and meanings, but why does your neighbor's porch turn purple in October? The reason is ...
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Why Are Some Streetlights Purple?
The aim is visibility, not aesthetics ... defects. One LED supplier, Acuity, took note of the change and offered an explanation: “The referenced ‘purple light’ effect is due to a spectral ...