Oxygen is essential for life and a reactive player in many chemical processes. Accordingly, methods that accurately measure oxygen are relevant for numerous industrial and medical applications: They ...

We've all experienced a check engine light coming on, knowing that unless it's taken care of immediately, it'll be a nagging long-term problem in the back of our minds. It's one of the most important ...

The OCB350 fluid-sensor series with self-calibration circuitry uses an LED/phototransistor for sensing change in refractive properties between full and empty tubing as it passes through the sensor ...

Apple has been selling the Apple Watch Series 9 and Apple Watch Ultra 2 without the blood oxygen monitoring feature in the U.S. since mid-January, and while we've suspected Apple would be able to ...

It sounds like the stuff of nightmares: a sudden drop in cabin pressure on board your flight. This can lead to hypoxia – a lack of oxygen – causing passengers and pilots to pass out. Now nervous ...