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 ...

Los Angeles residents have been posting videos of a strange sight around the city: streetlights glowing a vivid purple instead of their usual white. Featured Video Content creator Evan Lovett of L.A.

ORLANDO, Fla. – By now, you’ve probably spotted at least one streetlight turning a blueish-purple hue while walking or driving in the evening. No, they’re not meant to be that color. While the lights ...

If you’re over the age of 25, you probably remember when streetlights had a warm, yellow-orange glow. That was emitted by sodium vapor lamps—the streetlight standard for many years. Recently, as ...

Why do the street lights on West Campus emit an eerie, bluish-purple color at night? Starting in 2021, Triangle area residents observed street lights turning from their standard yellow-white color to ...

I'm curious about the blue streetlights on 23 near Lazelle Road. Are they a blue hue to keep people awake? To conserve energy? To hurt drivers' eyes? Total mystery to me. I have to admit, this week's ...