Lactate is a molecule the body uses to break down sugars for energy. This biomarker indicates oxygen starvation in the body’s ...

Your Apple Watch sensor emits a red light when it is checking your blood oxygen saturation levels, which are a measure of ...

Acetone may be best known as a sharp-smelling solvent found in nail polish remover, but inside your body it can tell an ...

Over the past few decades, electronics engineers have developed increasingly sophisticated sensors that can reliably measure ...

Diagnosing diabetes could soon be as easy as breathing. Researchers at Penn State have developed a sensor that detects acetone in breath, offering a fast, inexpensive way to identify diabetes and ...

A cadence sensor is a compact cycling device that measures pedaling rate in RPMs to provide real-time feedback.

A research team led by Huanyu “Larry” Cheng, James L. Henderson, Jr. Memorial Associate Professor of Engineering Science and ...

Tucson-area optics firm Geost has been supplying sensor systems for U.S. defense and intelligence satellites since its founding by a University of Arizona optics Ph.D. two decades ago. Now, Geost is ...

Explore 30 exciting features in watchOS 26, including new watch faces, app upgrades, and smarter functionality for Apple Watch.

Discover watchOS 26 RC: new watch faces, health tools, and performance upgrades for Apple Watch. Public release set for5, 2025.