When a car keeps cutting out at red lights, the problem rarely feels minor to the driver stuck in cross traffic with a dead ...

Searching for the best baby monitor? Discover our top choices for clear audio, video, and smart features - helping you keep a close eye on your little one for peace of mind, day and night.

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 ...

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

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

In November, Withings released its long-awaited U-Scan: a home monitoring system for your urine. The gadget resembles an ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

A new lens-free imaging system uses software to see finer details from farther away than optical systems ever could before.

The OnePlus 15R has a lot going for it: a beefy battery, a brilliant display, a solid user experience, and if you're in the ...

The Xiaomi 17 Ultra has finally been unveiled in China as the brand’s flagship phone. Alongside the standard model, the company also announced a 17 Ultra Leica edition, which gets a unique design and ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds deceptively simple. There’s a metal plate with current flowing across it in one ...