The Smart Sock 2 is great for parents who want to monitor their child's heart rate and blood oxygen level, but it looks like ...

A wire‑free technology called SAVI SCOUT is improving breast cancer surgery. Discover how it helps surgeons remove cancer more accurately with less time in the hospital.

Some fitness trackers may detect signs of heart disease, sleep problems, and chronic stress. However, there are limitations ...

Your vehicle's O2 sensor plays a significant role in its performance and if it's faulty, it's not something you should ignore ...

Unlike some smart automotive devices that require app subscriptions, software updates, or recurring fees, the SynGas OBD Fuel ...

Aaron Tilley is a former reporter covering all things Apple in The Wall Street Journal’s San Francisco bureau. He previously served as the Microsoft and enterprise technology reporter at the Journal.

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

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 ...

To make the iPhone as capable as it is, Apple equipped it with several sensors. One of these is the LiDAR scanner. LiDAR — short for Light Detection and Ranging — is a sensor that essentially measures ...

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 ...