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

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

Technology developed in Donegal is helping to provide clean drinking water in Uganda and could be rolled out to other countries next year. Since 2019, researchers at the Atlantic Technological ...

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread chasers can save your DIY project.

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 ...

We earn commissions from purchases you make using links in our articles. Learn more. Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely ...

The jack-of-all-trades camera maintains 33 megapixels while inheriting features from other models. The jack-of-all-trades camera maintains 33 megapixels while inheriting features from other models.

Matt Carey, the co-founder and CEO of Boston-based startup Teradar, loves when people tell him: “I don’t believe you.” That’s “right where we want folks,” he recently told TechCrunch. Carey has spent ...

Apple released a small build update to iOS 26 developer beta 6, which does not re-enable the blood oxygen sensor on Apple Watch in spite of the earlier iOS 18.6.1 update that did. The new iOS 26 ...

If you’ve had your eye on a new Apple Watch Series 10, now’s the day to finally get one. Not only is it $100 off, starting at just $299 for the 42mm model, but the blood-oxygen sensor is finally ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...