Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Modern vehicles are pretty complicated pieces of tech. Apart from emissions and other vital functions, the engine control system relies heavily on several sensors to regulate performance. That is ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

The new Apple Watch Series 6 includes a sensor that allows the watch to measure blood oxygen levels. The device is a long-awaited addition to Apple’s suite of health tools, but it tracks oxygen levels ...

Apple spent much of its live-streamed event yesterday speaking to the ways in which the Apple Watch can help users take better control of their health. The new Apple Watch Series 6 even comes complete ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

The devices don’t work as well on people with darker skin, and experts say the agency should call for more testing and labeling. The devices don’t work as well on people with darker skin, and experts ...

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

If you’ve had a checkup, a medical professional may have clipped a device to your finger to measure your oxygen saturation (SpO2) and pulse. Until last year, that was my only experience with such ...