Light does a lot of work in the modern world, enabling all types of information technology, from TVs to satellites to ...

A low-cost scanner and smartphone may help identify high radiation exposure in emergencies, speeding triage when labs can’t ...

Why we love it: Of every LED mask we've ever put on our face, this is hands-down the most fancy. It has 770 LED bulbs, emits ...

I experimented with several red light therapy devices to see if they help wrinkles. I also spoke to dermatologists on the science behind the masks.

From screw-in bulbs and colorful LED strips to table lamps and outdoor string lights, check out the top smart lighting we've tested for illuminating your space and setting the mood. I'm PCMag's ...

A doctor has issued an urgent warning to anyone who uses LED bulbs in their homes - describing it as a public health emergency "like asbestos". Dr Glen Jeffery, professor of Neuroscience at University ...

Smart LED light bulbs are one of the easiest ways to get into the IoT space. These smart lighting solutions let you control your home’s illumination from your phone and other connected devices, and in ...

LEDs are supposed to last for years, along with delivering lower energy use, and even smart features like connecting with Alexa. They're a major leap forward versus incandescent bulbs, but they don't ...

LED light bulbs have surged in popularity over the past few years for several good reasons. They're energy-efficient, long-lasting, and versatile. Compared to traditional incandescent bulbs, LEDs use ...

Which LED light bulbs are best? Finding the best LED light bulbs for your house, office or otherwise can be more complicated than it seems. It’s easy enough to pick out a random A19 light bulb, but ...

We are told that LED-based lighting will provide a very long service life per bulb, but here comes “Sportin’ Life” again (from Porgy and Bess) to put the lie to that claim. (It ain’t necessarily so.) ...

There are several reasons why you're better off sticking with the stock halogen or high-intensity discharge (HID) bulbs in your car, rather than replacing them with cheap aftermarket LED headlights.