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 ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

Engineering teams are generating more code with AI agents than ever before. But they're hitting a wall when that code reaches production. The problem isn't necessarily the AI-generated code itself. It ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

Martin Lewis is urging O2 customers to dial a five digit code if they want to shop around for alternative suppliers following the price rise announcement. The BBC and ITV star spoke out after O2 ...

Martin Lewis has repeatedly urged O2 customers to give the network 'a bloody nose' by ditching it following its announcement of mid-contract price rises higher than it promised. And now, newly merged ...

The China Intelligence: What open sources tell us about Chinese forces, weapons, and strategy. The People's Liberation Army is building an “invisible net” across the western Pacific, a five-layer, ...

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 ...

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 ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car experiences poor fuel economy, lacks power, feels sluggish, idles rough, or has an illuminated check ...