Could Luna beat Oura at the smart ring game?

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 ...

The MAP sensor is an important part of a car's operating system. But lots of things can make it go bad. Here's how you'll ...

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

A Massachusetts woman says she once again can’t pass inspection, and this time it came after dropping a painful $680 on ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Functional freeze is a defensive survival response ...

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 ...