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

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

Knowing a few precise mechanic terms can turn a confusing estimate into a clear conversation and keep you from paying for work you do not need. By understanding what these 14 concepts actually mean, ...

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 ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already use. For more than 10 years Tyler has used his experience in smart home ...

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 customer paid my appliance business a large sum of one-dollar bills so I did the only thing a responsible person would do during the Coronavirus pandemic: Wash & dry the bills. What happens when you ...

The largest lottery prize ever was a $2.04 billion Powerball jackpot won by a man in California in November 2022 Nicholas Rice is a Senior News Editor, Weekends for PEOPLE Magazine. He began working ...

The promise of the smart home largely hinges on accurate, speedy presence detection. That's to say, our home needs to know when there are people in it and where they are, as quickly as possible, so ...

A simple new sensor can determine exactly how fresh fish is in less than two minutes. To determine the freshness of a piece of fish, cooks traditionally look at its eyes and gills or give it a sniff.