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

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

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

When driving, the Check Engine light is one of the most anxiety inducing dashboard warnings, and in 2025 its importance has ...

No smoke machine? No problem. Learn how to check for engine vacuum leaks using visual cues, soapy water, and DIY tricks to ...

The upcoming Caeli monitor is becoming even smarter, with a flu index that predicts how likely you are to get sick. And I got ...

Car habits like ignoring warning lights and slamming brakes cost thousands in repairs-12 simple changes protect your engine ...

Your smoke alarm’s chirp can be oddly reassuring, a small sound that suggests everything is still working. Yet the device making that noise may already be too old to reliably sense a real fire. The ...

Ready, aim, fire—the latest health trackers use sensors to check your urine for proper hydration, ketone levels, and possible kidney stones.

The main problem is camera performance. Having trialled the Magic 8 Pro's assorted sensors, they can all take excellent shots – with a particular talent for macro photography and selfies. However, ...