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 ...

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 ...

A VPN-enabled router can provide online privacy for any device connected to it. But not all router models allow it. Joe Supan is a senior writer for CNET covering home technology, broadband, and ...

Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. Rooftop solar has become one of the fastest-growing clean ...

The iOS 26 public beta is now available, giving iPhone users everywhere the option to try Apple’s latest and greatest features. This year, you can check out Liquid Glass, new Messages features, and ...

The public beta for iOS 26 is now available for those who want to try the latest iPhone tricks — and who don’t mind glitches along the way. The public beta for iOS 26 is now available for those who ...

The latest version of iOS will arrive officially this fall, but you don’t need to wait to start testing the software on your iPhone, thanks to Apple’s public beta rollout. Here’s everything you need ...

Forbes contributors publish independent expert analyses and insights. Monica is an entertainment reporter covering TV, film, and music. The live-action How to Train Your Dragon is now available to ...

Some engine bays are as droolworthy as the cars they adorn, but under the twisty mechanical artistry lies an array of electronic wizardry to help run your car. The crankshaft position sensor is one of ...

Developer betas are now available to everyone, free of charge and easy to install. But think twice before you enable it on your day-to-day phone. Developer betas are now available to everyone, free of ...

Michelle is Lifehacker's Associate Tech Editor, and has been reviewing games, laptops, phones, and more for over 10 years. She is based in New York City and holds a master's degree from NYU. Apple’s ...