After testing countless devices for accuracy, comfort, and general value, these are the best fitness trackers I'd recommend.

When a car keeps cutting out at red lights, the problem rarely feels minor to […] ...

HULUNBUIR, CHINA / ACCESS Newswire / January 17, 2026 / Recently, in Yakeshi, Hulunbuir, Inner Mongolia-known as the "City of Ice and Snow"-DEEP Robotics conducted a series of extreme cold performance ...

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

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

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

"Although absolute differences in readings were small, they can result in substantially higher rates of false negatives and ...

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

Smart rings are the wearable everyone’s switching to, and we’ve tested the lot to find the best smart rings actually worth wearing.

Abstract: Wire retention force is an important indicator for evaluating the reliability of wire insertion in electrical connectors. Current approaches to measure this force are mainly relied on spring ...

Abstract: To meet the requirements for multiband wireless monitoring of high-temperature parameters faced in areas, such as industrial Internet, aerospace, and energy extraction, a wireless passive ...