The LM3445 from National Semiconductor enables a full 100:1 range of offline, uniform, flicker-free dimming for high-brightness LEDs with a conventional TRIAC forward or reverse phase-control wall ...

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 ...

Star-favored, board-certified aesthetics physician Dr. Glenicia Nosworthy explains how to choose the right high-tech tool for every skin concern. By Natalie Alcala, Danielle Directo-Meston, Erin ...

DEAR ABBY: My wife and I have lived in a country home for the past 25 years. When we moved here, our only neighbors were wild turkeys, deer and raccoons. Behind our house were 20 acres of woods, which ...

Unless you’re a photographer or filmmaker, you probably haven’t given much thought to the influence of light on what you see. That’s as true with action sports as it is with everyday life. As a ...

Many people claim to have psychic powers. Some could be construed as regular human senses, like feeling someone staring at you, while others, like telepathic communication and mind reading, are met ...

Meara covers streaming service news for CNET. She graduated from the University of Texas at Austin with a degree in journalism. When she's not writing, she likes to dote over her cat, sip black coffee ...

After several years of calm, stress is again building in the hidden plumbing of the US financial system — the short-term funding markets that move trillions of dollars in overnight cash and securities ...

Have you ever heard of PWM (pulse width modulation)? Even if you haven’t, this screen flickering issue still might impact you. But iPhone 17 looks like it will bring a long-awaited PWM fix. I had ...