Maybe you've seen them. Dozens of street lights across the Cincinnati area are giving off a purple or blue glow, casting an eerie scene on the landscapes below. The purple hues are not intentional.

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 ...

As cities around the world ditch old school sodium-vapor streetlights, they’re quickly replacing them with modern LEDs. They’re supposed to be cheaper and longer-lasting than their predecessors, but ...

If you've spotted spooky purple streetlights in the middle of summer, they probably aren't a sign that a neighborhood has started celebrating Halloween early this year. Instead, the violet hue seen ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Lighting affects us both physiologically and psychologically. We may ...

Think of an item — any item — you might use in home decor. Chances are somebody now sells a version of same that comes equipped with color-changing LED lights. “Get your glow on,” suggests Pottery ...

Across highways, parking lots, and neighborhood streets, drivers are noticing an eerie violet glow where familiar white streetlights used to shine. The shift is not a design trend or a secret tribute ...

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 ...