In the United States and Canada, there have been many reports of LED street lights that were initially white but have suddenly turned purple. The reason for this change in color of LED street lights ...

Though they're so common that we don't typically give them much thought, lights are fascinating elements of the modern world. By sending an electrical current through a conductor, extreme amounts of ...

MIAMI-DADE COUNTY, Fla. — Residents in some South Florida neighborhoods have noticed that their local street lights are turning purple. The Florida Department of Transportation is replacing more than ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. In Vancouver, more ...

Does a blue light keep you up at night? No, it’s not an alien invasion. The city of St. Paul has been gradually replacing LED street lights suffering from an unusual manufacturer’s defect — they’re ...