Light can be sculpted into countless shapes. Yet building optical devices that can simultaneously manipulate many different ...

A single charge of the 10000N was enough to run the Flash-1 mod for days, and it works with other accessories like fans and air pumps.

I dropped my old keychain tool in the sea and replaced it with the Olight iUltra mini LED. Now I can't go back.

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Most people use red light therapy 2-5 times a week for 10-20 minutes. You can use red light therapy to increase melatonin and improve your sleep. Do not use red light therapy for longer than 30 ...

Sometimes you need just a little bit more light during a video call, especially if you're in a dimly lit room. The latest macOS update (26.2) has a trick for this: you can use the edge of your screen ...

LED face masks offer a host of transformative skin benefits—they can reduce redness, treat acne, and minimize the look of fine lines, wrinkles, and discoloration. Even better, they don’t require a lot ...

Editor’s note: This column was produced before Gene Wengert died in 2025. It is printed here in memoriam. Q How deep should needles go in rough or planed lumber using a pin moisture meter? Insulated ...

This new development uses a phenomenon called plasmonic heating that enables more precise crystal formation. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Dialing in your aperture, shutter speed and ISO doesn't have to be a game of guesswork when using manual mode. If you're consistently getting overly dark or light photos, you may just need to learn ...