Learn more› By Kaitlyn Wells and Zoe Vanderweide If you believe the hype, blue-light blocking glasses will prevent headaches, decrease eyestrain, and help you sleep like a baby. But do they work?

It’s characterized by a long list of symptoms, similar to those of depression, that usually occur in fall and winter “due to the shortening in day length and lower light intensity ...

The best light therapy lamps boost mood, energy, and focus while improving sleep quality. We tested a variety of models for ...

And now, the actor, comedian, director and writer is ready to swap the silver screen for a very small one by getting a smart meter installed. We join Johnny, 54, on his journey to helping better ...

Ultraviolet (UV) radiation is a type of light. Sunlight has UV rays, along with other kinds of rays. Some light bulbs give off UV rays, too. UV light bulbs are used in tanning beds and lamps, some ...

The study tested three UV light spectra at five intensity levels, analyzing their effects on photomorphogenesis, inflorescence yield, and the chemical profile of cannabis. While none of the UV ...

Browse here. The B.C. Motor Vehicle Act doesn’t stipulate a minimum or maximum number of lumens — a measure of light intensity — in headlights, says McLaughlin. It only says they must be ...

This deep-UV microLED display chip integrates the ultraviolet light source with the pattern on the mask. It provides sufficient irradiation dose for photoresist exposure in a short time ...

Amazing!” Small but mighty, this compact lamp can imitate daylight by emitting full-spectrum light. But unlike actual sunlight, the LED lights in this device don’t emit harmful UV rays.