This resource provides clear explanations of how switching regulators work and how voltage boosting is achieved efficiently ...

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 ...

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 at Tsinghua University developed the Optical Feature Extraction Engine (OFE2), an optical engine that processes data at 12.5 GHz using light rather than electricity. Its integrated ...

Sometimes you need just a little bit more light during a video call, especially if you're in a dimly lit room. The latest macOS update (26.2) has a trick for this: you can use the edge of your screen ...

Artificial intelligence is consuming enormous amounts of energy, but researchers at the University of Florida have built a chip that could change everything by using light instead of electricity for a ...

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 ...

Mercey Livingston is a health and wellness writer and certified Integrative Nutrition Health Coach. She's written about fitness and wellness for Well+Good, Women's Health, Business Insider, and ...