When a car keeps cutting out at red lights, the problem rarely feels minor to the driver stuck in cross traffic with a dead ...

Announced at IFA 2025, the Luna Smart Ring Gen 2 is the second generation that tracks your biomarkers, and helps you ...

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

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give ...

"Although absolute differences in readings were small, they can result in substantially higher rates of false negatives and ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

Knowing a few precise mechanic terms can turn a confusing estimate into a clear conversation and keep you from paying for work you do not need. By understanding what these 14 concepts actually mean, ...

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 ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

Scattered across an abyssal plain known as the Clarion-Clipperton Zone (CCZ) are polymetallic nodules that are a potato-sized prize for mining companies in search of materials needed for humanity's ...