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 ...

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

Vivoo's attachable smart toilet sensor was unveiled at CES 2026 and is designed to analyze hydration levels in real time.

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

Since 2019, researchers at the Atlantic Technological University (ATU) in Letterkenny have been working on a smart sensor to detect faults in the handpumps being used in boreholes in rural Uganda. Now ...

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 ...

Tesla’s valuation has been spectacular lately, closing at an all-time record of $489.88 earlier this month and still hovering pretty close to that astronomical figure as of this writing. Tesla bulls, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Scattered across an abyssal plain ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...