A peak flow meter is a handheld device that measures airflow rate and can help those with respiratory conditions like asthma monitor their condition.

A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.

Researchers at OIST built a graphite disk that levitates and spins for hours in a vacuum, showing how perfect magnetic symmetry can cancel energy loss.

Power plants may emit higher amounts of pollution during lapses in federal monitoring and enforcement, such as during a ...

People could be ingesting the equivalent of a credit card of plastic a week, a 2019 study by WWF International concluded, mainly in plastic-infused drinking water but also via food like shellfish, ...

Indium gallium arsenide sensors present key opportunities in telecommunications, medical diagnostics, and industrial automation by offering superior near-infrared detection and high-speed performance.

Welcome to the monthly letters column. Among them is a correction from an eagle-eyed reader in Texas.“ You left out the word‘ million’ when stating the amount of microplastics in the environment,” she ...