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 ...

Question: I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish light that’s near the traffic lights. I’ve tried to figure out what its ...

There’s a purple-bluish glow coming from some of the lights above highways in Western Pennsylvania. It’s a bizarre look. What’s causing it, and is anything being done to address it? Chief Investigator ...

LAS VEGAS, Nev. (FOX5) - Bluish purple streetlights are now something you can find all over the Las Vegas Valley from Henderson to North Las Vegas. Why are streetlights glowing this unusual color?

OAK RIDGE, Tenn. (WATE) — While on the drive home from the office or running errands in the evening, those who live and work in Oak Ridge may have noticed the some of the street lights seem to be ...

Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...