A study in Advanced Optical Materials reveals how fluorescent concentrators enhance optical wireless communication, improving ...

The band's five LEDs, body temperature sensors and photodiodes provide valuable insight into your sleep. A few of our CNET sleep experts have been using Whoop for months and have found it to ...

Thankfully the symbols they use are (mostly) universal, so once you've learned what each represents (as we explain below) you shouldn't have any problems no matter what you find in your laundry basket ...

Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations, plus the latest in aviation, food and drink, and where to stay. In one of the most ...

Hemp gummies and cannabidiol (CBD) gummies are candies that may promote sleep, calm, and pain relief. While hemp seed oil and CBD come from the same plant, they have different chemical properties ...

Peter van Agtmael’s images of war and domestic strife are arresting and almost cinematically spare, but it is the careful narrative arc of his new book, “Look at the U.S.A.,” that deepens ...

Cree is aiming at horticulture lighting with a 660nm red led that is 6% more efficient than its XP-G3 Photo Red S Line devices. Called the XP-L Photo Red S Line, “this extra performance can be used to ...

Your photos deserve to exist as more than mere bits and bytes. Here's how to pick the right photo printer—whether for humble snapshots or big, bold art prints—and our top lab-tested picks. I ...

PC hardware is nice, but it’s not much use without innovative software. I’ve been reviewing software for PCMag since 2008, and I still get a kick out of seeing what's new in video and photo ...