Unlock the full potential of your smartphone flashlight with this easy DIY projector tutorial! Watch as we turn ordinary materials—just cardboard and a magnifying lens—into a powerful, focused light ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the number of daylight hours — due to changing seasons or ...

Tucson’s skies are slightly darker thanks to the completed streetlight conversion project, according to a study by the Tucson-based International Dark-Sky Association. The study, however, was limited ...

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 ...

An icon of a desk calendar. An icon of a circle with a diagonal line across. An icon of a block arrow pointing to the right. An icon of a paper envelope. An icon of the Facebook "f" mark. An icon of ...

The United States Supreme Court appears poised to side with a challenge against a Colorado law that bans psychotherapists from conducting “conversion therapy” on minors in an attempt to influence ...

Abstract: Although a single-stage off-line power light-emitting diode (LED) driver can achieve low cost and high efficiency, the notorious double-line-frequency flicker issue with a single-stage LED ...

It sounds almost too good to be true, but researchers think that shining red light at patients could be a powerful and drug-free way to treat everything from sight loss and type 2 diabetes to ...

LED light wands, or light sticks, provide an effective (and relatively affordable) alternative to a photographer’s flashgun or a videomaker’s stand-mounted lamp. You don’t need to sync a light wand ...

Ikea has never shied away from playful, unconventional design—and its new Stråla LED floor lamp serves as a prime example. It’s a bold, geometric conversation piece that sits somewhere between a ...