This is an LED bulb that fits into a recessed light fixture. It can become an annoying strobe light in your home. (Tim Carter) Analysis by Tim Carter Q: I feel like I’m going to have a seizure. I’ve ...

Vehicles used to rely on halogen bulbs for headlights, but the industry has largely switched over to light emitting diode (LED) technology for many new cars. In fact, LEDs were equipped on ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Our phones can shoot incredible video. But sometimes, things don’t look right. Every now and then, you record a video, but all the lights appear to flicker. Maybe it’s an outdoor shot at night, and ...

Apple is giving iPhone 17 users the option to disable PWM dimming in iOS 26, a move that could ease eye strain and flicker sensitivity. While limited to the iPhone 17 series for now, this ...