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 ...

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

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 ...

Meta’s Reels has become a $50 billion business. Above is the launch video for the product from 2020. META Meta Platforms Chief Executive Mark Zuckerberg announced on an October earnings call that ...

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 ...

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, ...

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 ...