Does colorful light therapy actually make a difference? I tested a range of devices on my acne-prone skin to find out.

Photonics researchers from Tampere University, Finland, and Kastler-Brossel Laboratory, France, have demonstrated how ...

Following the launch of a lights-on 4K laser projector at ISE 2025 earlier this month, Optoma has unveiled the first member ...

In a groundbreaking study, scientists developed new ways to control atom collisions using optical tweezers, offering insights ...

Terahertz radiation (THz), electromagnetic radiation with frequencies ranging from 0.1 and 10 THz, is central to the ...

This year’s Super Bowl features a laser light show on the Caesars Superdome, designed to light up the New Orleans skyline. The only problem: it isn’t very easy to see. Along with unique lighting on ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Or have them light automatically when someone arrives home and turn off when everyone leaves. After a new round of testing, the WiZ 60W A19 Color LED continues to be the best smart bulb.

What To Know About Laser Hair Removal Laser hair removal uses a handheld device to emit a beam of controlled light toward an area of hair follicles, ultimately vaporizing the hair to remove it.

Both feature a 20,000-hour laser light source lifespan and offer "near-instant" warm-up and cool-down times for enhanced convenience and energy efficiency. The Epson EH-QS100W and EH-QS100B are now ...