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

After pilot asked ATC to keep 'beer ready', plane crashed into mountain killing 104 Sudden cardiac arrest explained: How Vedanta chairman Anil Agarwal’s son died while recovering in a US hospital ...

The holiday season exposes how tight diesel markets really are. Diesel demand during Christmas is price-insensitive and non-negotiable, leaving little margin for disruption as exports, refinery runs, ...

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 ...

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 ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

Jake Peterson is Lifehacker’s Senior Technology Editor. He has a BFA in Film & TV from NYU, where he specialized in writing. Jake has been helping people with their technology professionally since ...

The X-37B's eighth orbital mission will start with a liftoff atop a SpaceX Falcon 9 rocket. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The U ...

The U.S. Space Force expects to launch the eighth X-37B mission no earlier than Aug. 21. Credit: U.S. Space Force The U.S. Space Force plans to use its X-37B orbital test vehicle to conduct ...