“The referenced ‘purple light’ effect is due to a spectral shift caused by phosphor displacement seen years after initial installation.

“The referenced ‘purple light’ effect is due to a spectral shift caused by phosphor displacement seen years after initial installation.

A purple wave of faulty streetlights has swept across the USA, generating incorrect theories, bad lighting and fans of an accidental aesthetic.

Residents in some South Florida neighborhoods have noticed that their local street lights are turning purple.

It’s well-documented that blue light can have a negative effect on your melatonin levels. But does any light help you get to sleep faster?

Have you ever noticed purple street lights while driving? It's definitely odd, and there's a lot of speculation as to why this happens. Here's what we know.

Streetlights In America Are Suddenly Turning Purple: Here's Why Travelling in the U.S at night could be scary with this new phenomenon, as the streetlights emit an odd purple shade.

She said darker streets make collisions and crime more likely, but also the reflection of the purple light off passing cars creates a laserlike effect that can divert drivers' attention from the ...

"STEVE" is a strange aurora-like structure characterized by a glowing purple arc but new research finds that it may not be alone.

A chemistry flop turned into the ultimate Beacon Hill status symbol when visitors began to associate blue bloods with purple windows.

The purple light beaming from some Elk Grove street lamps is the result of faulty LED chips, city officials say. About 50 of Elk Grove’s nearly 15,000 street lamps have the defect, said Elk ...