The world is awash with the color purple — lavender flowers, amethyst gemstones, plums, eggplants and purple emperor ...

One LED supplier, Acuity, took note of the change and offered an explanation: “The referenced ‘purple light’ effect is due to a spectral shift caused by phosphor displacement seen years ...

(A note: In a previous job at NASA ... is energized and glows, emitting light in the purple range of the visible light spectrum. Their sources also vary. The creation of an aurora begins when ...

It is hard to determine the exact cause without dissecting one of the defective lights, but scientists have a hypothesis: bright purple light suggests the phosphor layer around the lights has been ...

In Vancouver, more than 100 blue or purple street lights have been reported to the city — the result of a manufacturing defect involving a coating on the light. The downtown intersection of ...

“Someone had stacked a bunch of mattresses up for the trash, and there was a purple light nearby, and all of a sudden these discarded mattresses just really looked magical. “I used to be a ...