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

Every serious gearhead knows that the right USB gadget can turn a cluttered garage into a smart, efficient workshop. From pinpointing engine faults to keeping tires and batteries in top shape, compact ...

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

For electrical engineers working in almost any part of the wired or wireless spectrum, the spectrum analyzer is a critical test and measurement tool. For optical engineering, the equivalent tool is ...

As a tech expert, I test for two things when trying out a new upgraded release—first, what exactly are the new features, and two, are they good enough to warrant purchasing a new version of the ...

The Gen III TacIRST distributed infrared threat‑warning system will equip the F-22 Raptor, with an evaluation planned in 2026. Lockheed Martin has announced the first flight of the latest iteration of ...

Withings’ long-awaited U-Scan, the smart-health device that analyzes your urine from inside your toilet bowl, is finally available to order globally. The device, which first wowed us at CES in January ...

Researchers have made a significant advance in the development of a blood test for Alzheimer's, creating a new sensor design that is ultra-sensitive, outperforms competing technologies and can be ...

White Sands Missile Range, N.M. - The U.S. Army’s Program Executive Office Missiles and Space Integrated Fires Mission Command and the 3rd Battalion\, 43rd Air Defense Artillery Regiment\, ...

Among the many problems with the flu is the fact that you can spread the virus before you even know you've got it. An experimental new "sensor" could one day keep you from doing so, by causing you to ...

Flu season is fast approaching in the northern hemisphere. And a taste-based influenza test could someday have you swapping nasal swabs for chewing gum. A new molecular sensor has been designed to ...