LEDs were once little more than weedy little indicators with low light output. Today, they’re absolute powerhouses, efficiently turning a flow of electrons into a searing beam of light.

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

A sturdy flashlight is a an infinitely useful tool during emergencies, camping, or when a light goes out in the basement. While the average handheld or phone flashlight shines a decent beam ...

Handheld light meters aren't just a relic of the past, they do things your camera’s built-in light meter can't and are a vintage film photography staple The handheld light meter was once a ...

If you're in the dark about which flashlight to add to your EDC kit, the GR35 from Imalent has a lot going for it. Besides its claimed output of 2,800 lumens, this new model features a slim build ...

Being outside in the pitch-black darkness comes with its dangers, so having a good flashlight to illuminate your way is very important. It's likely you'll be stargazing away from man-made sources ...

Learn more Finding the best flashlight shouldn't feel like searching in the dark. Whether preparing for emergencies, gearing up for outdoor adventures, or needing reliable illumination for home ...

Integrated optics is a system of light-controlling components combined into a single device. The ultimate aim is to create miniature optical circuits similar to the silicon chips that have ...

Here’s how it works. Whether you own one of the best Apple watches or an earlier model, the flashlight feature can be surprisingly handy — from finding your keys in a dark car to navigating ...

Mike Belkowski, Founder and CEO of BioLight. "With the Illume, we've combined red light therapy with daily dental care to support both oral health and overall well-being. We aim to bridge research ...

We live in a great time to be a lumen junky with so many fantastic flashlights on the market. Whether you want a spotlight that fits in the palm of your hand or a feature-rich EDC wonder light, the ...

Sustained blue light exposure from electronic devices and digital screens is not kind on your overall health, and has been linked to eye strain, macular degeneration and poor sleep quality.