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

Outside of training, the sleep stages and Nightly Recharge recovery tools are still some of the best you’ll find on any ...

Smart rings are the wearable everyone’s switching to, and we’ve tested the lot to find the best smart rings actually worth wearing.

Rebecca Moore is a writer specialising in the parenting sector and only recommends products she thinks you’ll love and that ...

Shelby Brown (she/her/hers) is an editor for CNET's services team. She covers tips and tricks for apps, operating systems and devices, as well as mobile gaming and Apple Arcade news. Shelby also ...

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 ...

SHERIDAN, WY / ACCESS Newswire / November 14, 2025 / UJS, a tech-driven auto diagnostic brand, unveils Safescan-an enhanced OBD2 scanner blending smart sensing and ease of use, delivering reliable ...

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 ...

This recall involves Almpal dissolved oxygen test kits. The test kits come in a cream-colored box bearing a white label with "Dissolved Oxygen Test Kit" and the manufacture date, batch number, and ...

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 ...

For heart rate testing, Horst used a Polar H10 chest strap as the benchmark. The Apple Watch Ultra 2, running watchOS 26 beta, delivered results that were nearly identical to the strap during indoor ...