One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

The Aurora City Council last week voted to buy a piece of equipment for the police department through a different vendor than the one city staff proposed, and at a higher price, over concerns about ...

Samsung’s Galaxy Z TriFold features the industry’s narrowest fingerprint sensor at just 1.65mm wide, engineered by partner Goodix to fit the device’s ultra-thin 4mm frame. The tri-folding phone ...

When you snap a photo on your phone or rely on a car’s camera for lane detection, you’re trusting an unseen network of technologies to deliver or interpret image data flawlessly. But behind the scenes ...

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 ...

Aurora has again pushed back the proposed purchase of equipment that would let the Aurora Police Department test the coverage of local cell phone towers, which would help provide additional evidence ...

We may receive a commission on purchases made from links. One tool you'll find stashed in all the best electrician's tool backpacks is a multimeter. Most modern multimeters are of the digital variety, ...

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 ...

A US military space-plane, the X-37B orbital test vehicle, is due to embark on its eighth flight into space on August 21 2025. Much of what the X-37B does in space is secret. But it serves partly as a ...