One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

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. Tyler has worked on, lived with and tested all types of smart home and ...

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 ...

If you love the portability of a laptop but miss the comfort of a desktop’s multi-screen setup, laptop screen extenders are the perfect fix. These plug-and-play add-ons clip to your laptop, instantly ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Dave Gershgorn Dave Gershgorn is a writer covering monitors, laptops, and ...

If your Wi-Fi signal is struggling to reach every corner of your home, a signal booster — also known as a Wi-Fi extender — might be the fix you need. Whether you're dealing with annoying dead zones, ...

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 ...

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 ...

House votes to overturn California gas car ban — again defying internal watchdog How to hard boil eggs without using water Trump is tired of waiting for Boeing to make him a new Air Force One so the ...

At the end of 2023, Apple had to briefly stop selling Apple Watch Series 9 in the US due to a legal battle with Massimo. At the time, the US International Trade Commission ruled that Apple infringed ...

Supreme Court gives Trump — and the rest of the GOP — a gift in disguise A school suspended 323 students after ICE protest. They protested again. Earth’s disastrous 10th tipping point has been ...