Why it matters: O2 sensors feed critical data to your ECU, helping maintain the ideal air-fuel ratio for performance, efficiency, and emissions control. Reading the signals: Healthy upstream sensors ...

The Oura Ring is capable of measuring a wide range of health metrics, including an important measurement using an embedded red light sensor.

Measuring your Exhaust Back Pressure can help diagnose and pinpoint the source of issues like backfires, erratic engine ...

Apple can keep selling Apple Watches with its redesigned blood oxygen feature in the US after the ITC declined to revive Masimo’s ban.

Smartwatches are a fairly common sight these days. It seems a lot of people are tracking their steps, monitoring their sleep ...

If there's one thing we've learned about covering golf equipment, it's this: You don't need to drop thousands on a new set of clubs to make golf a whole lot more fun. Sometimes the best upgrades are ...

We tested the best fitness watches from Apple, Whoop and Garmin and more to find the right one for you, whatever your budget.

Apple is reportedly developing an advanced high blood pressure notification feature for the Apple Watch. And the Apple Watch ...

Google haș announced the Fitbit Air, a screen-free wearable and fitness tracker that can be used with or without a subscription to Google Health Premium.

The Fitbit Inspire 3 Health and Fitness Wristband is the most basic model available from Fitbit. The Inspire 3 has a small ...

CMF today launched its third smartwatch—the CMF Watch 3 Pro. The smartwatch is a major upgrade to the Watch Pro 2 that was launched in 2024, bringing a brighter screen, improved heart rate, sleep ...

Despite many challenges substantial progress is being made in in situ water quality measurement, writes Craige Palmer.