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

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

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

CES attendees saw health-tracking gadgets making bold promises: toothbrushes detecting diabetes, mirrors assessing 20-year ...

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

Smart rings represent the most exciting and fastest-moving area of wearables, with the top options offering accurate health tracking, sleep monitoring, and stress insights. The market boomed last year ...

Europe's winter just turned deadly serious, and it's not showing any mercy. What started as typical seasonal weather has morphed ...

Abstract: In the early 1940s, electromagnetic (EM) waves in the RF and microwave frequency range were used to transmit messages between New York and Philadelphia [1]. Telecom operators and ...