Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

With the rise in popularity of the Oura Ring, I've seen lots of ZDNET readers express interest in finding a more affordable alternative. I don't blame them; while the Oura Ring is a leading smart ring ...

Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ...

These three hand-picked Oura ring alternatives actually deliver on health analytics, style, and even integration features ...

Overheating, contaminated, oil and coolant, reduced power, misfires, and white smoke all point to a failing cylinder head ...

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 ...

A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light ...

Michigan residents may be turning to space heaters amid extreme cold, but experts warn there are dangers involved.

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

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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 ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...