With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

A group of scientists will later this year deploy deep-sea landers to test whether metallic rocks on the ocean floor do in fact produce oxygen. The claim, made in 2024 by British marine ecologist ...

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 ...

Toyota is in a bit of a pickle. Its hybrid fleet helps with emissions, but it's the plug-in hybrids that really make a difference. Fortunately, Toyota makes excellent ones. In this Toyota RAV4 PHEV ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

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 ...

Odds are you probably know someone with a newer Toyota RAV4—a neighbor, co-worker, or friend. Makes sense; the fifth-generation model has been trading off with the Tesla Model Y as the bestselling car ...

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 ...