We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

CES attendees saw health-tracking gadgets making bold promises: toothbrushes detecting diabetes, mirrors assessing 20-year ...

Honor launched the global version of the Magic8 Pro today in London, and I have been putting it through its paces as my main ...

Honor launched the global version of the Magic8 Pro today in London, and I have been putting it through its paces as my main ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Stop struggling with stuck O2 sensors. Find out why a specialist socket kit is a better investment than a standard wrench for your next car repair.

Ready, aim, fire—the latest health trackers use sensors to check your urine for proper hydration, ketone levels, and possible ...

The rapid proliferation of artificial intelligence and data centers is pushing the U.S. electrical grid into uncharted territory, prompting one of the nation’s top utility executives to issue a stark ...

This $600 Body Scan 2 measures things most people only hear about in a doctor's office and can calculate how fast your body is aging.

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

AI data centers require incredible amounts of energy to run. NPR's Planet Money investigates how that demand for power might affect your electric bills. Tech companies invested hundreds of billions of ...