Many Oklahomans flash their headlights to alert other drivers of police activity or hazards on the road. Here's what the law ...

But these days, if lit-up letters in a shop window or on the wall of a nightclub catch your eye, odds are they’re made with light-emitting diodes, or LEDs, not the real thing. It’s a fate befalling ...

Can you be ticketed in Florida if you flash your lights to warn other drivers there are cops ahead? What to know.

User error and poor maintenance are among the concerns readers pointed out about brighter, modern headlights.

When we hold a neon tube in our hands or see a neon sign we are seeing our cosmic selves illuminated,” Matuszewicz said. “… ...

The illumination LED lights up or blinks in response to remote control operations and lights up in different colours according to the status of the TV. Yes, but it's not advisable. Without the LED ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Cars' headlights have come a long way since charming yet potentially dangerous acetylene headlamps debuted in vintage automobiles. The later halogen headlights are still around, but the world has ...

While we’re big fans of robot vacuums, it never hurts to have a reliable, traditional vacuum on standby. Shark has long been a popular option, offering a long list of upright, cordless, and handheld ...

A state trooper behind a bush. A possum in the street. A bicyclist on a busy roadway. All are day-or-night, rain-or-shine scenarios where a flash of headlights could warn another driver to watch out ...