From local dimming and HDR brightness to Mini LED, RGB LED, and Dolby Vision 2, we answer reader questions about modern TV picture quality and what display technology matters most in 2026.

Modern TVs are absolutely unreal, especially compared to the halcyon days of adjusting analog antennae to clear up the ...

Ohio University students have recently gained access to an impressive 21-foot-wide by 12-foot-tall LED Wall. This acquisition ...

Puzzling red spots in photos from the James Webb Space Telescope are probably young supermassive black holes obscured by ...

If you’ve driven on William Hilton Parkway recently, you may have noticed the new flashing lights at certain crosswalks on the north end. The new lights, called rectangular rapid flashing beacons, are ...

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 ...

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 ...

A new light-driven cancer therapy uses LEDs and tin nanoflakes to kill tumors safely and affordably. Developed by teams in Texas and Portugal, it eliminates up to 92% of skin cancer cells without ...

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 ...

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