One of Ikea ’s most popular lamps of the past several years—nicknamed the “donut lamp”—is about to get a smart, colorful ...

The Philips Hue app has grown in complexity over the past several years, with more and more new features and settings being tucked into the user interface. That makes it all too easy to miss the ...

Dark matter is an elusive type of matter that does not emit, absorb or reflect light, interacting very weakly with ordinary ...

Photoelectric sensors and light curtain sensors are among the most commonly used sensing devices in factories. Photoelectric ...

Govee, which makes some of the more unique and interesting smart lighting products, has a new batch at CES 2026. That ...

Govee is known for stretching our perception of lamps and lighting. And the brand's CES 2026 showcase, with a vision of ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether ...

The smart version of the Varmblixt donut lamp comes with a wireless remote for changing the color of its soft glow.

Light therapy can boost your mood, but you need the right model. Here's what experts say about picking an effective model. Corin Cesaric Editor Corin Cesaric is a Flex Editor at CNET. She received her ...

Researchers have developed a low-cost visible light communication (VLC) system using commercially available hardware that ...

Photoplethysmography (PPG) is an optical sensing technique that measures blood volume changes and underpins devices ranging from hospital-grade pulse oximeters to consumer wearables that track heart ...