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

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 ...

A long-awaited study commissioned by the FDA has muddied the path forward on how to reduce racial bias in pulse oximeter ...

Gold on indium oxide enhances ozone sensing at room temperature, which could improve gas sensor design for real-time ...

Knowing a few precise mechanic terms can turn a confusing estimate into a clear conversation and keep you from paying for ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

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 ...

Most people searching for the best OBD2 scanners for home mechanics aren’t trying to become professional technicians. They just want clear answers without paying a shop every time the check-engine ...