Could Luna beat Oura at the smart ring game?

The Oura Ring does not directly measure blood pressure. This feature is not currently available on the device. Oura focuses on sleep quality, heart rate variability (HRV), resting heart rate, and body ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

Two months after coming out of stealth with a $150 million fundraise, Boston-based Teradar is showing off its first flagship terahertz sensor at Consumer Electronics Show 2026 this week. The company ...

Cylinder head failures are very dangerous and very expensive, so it's important to recognize the key signs early. Here's what ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...