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

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.

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 ...

A test bench is a controlled setup used to check how software or hardware behaves without needing the full system it will eventually run on. It provides an environment where components can be tested, ...

The developers of Terminal-Bench, a benchmark suite for evaluating the performance of autonomous AI agents on real-world terminal-based tasks, have released version 2.0 alongside Harbor, a new ...

Lifting weights is one thing, but bench pressing 405lbs underwater is a whole different challenge! Inspired by past attempts, I decided to test how buoyancy affects strength by gradually increasing ...

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 Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

Apple removed blood oxygen monitoring from the Apple Watch in early 2024. Somebody has to blink for it to return, and it looks like neither Masimo nor Apple are going to budge. Blood oxygen monitoring ...

1 Department of Chemical Oceanography, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany 2 Faculty of Mathematics and Natural Sciences, Kiel University, Kiel, Germany This paper followed ...

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 ...