Air quality monitoring has undergone a significant transformation with the advent of low‐cost sensor networks, which offer affordable, scalable and real‐time assessments of atmospheric pollutants.

The growing availability of low-cost air quality sensors is helping people across the world track air pollution. Headway The growing availability of low-cost air ...

Clouds settle low in the sky as dusk sets in across Pajaro Valley. Fields of strawberries stretch out as far as the eye can see, catching the last amber rays of the day. In the distance, the twin ...

For some scientists, the quest to develop an easy-to-use, low-cost sensor for detecting per- and polyfluoroalkyl substances (PFAS) in drinking water is personal. “I bought a new house, and I got this ...

A typical reflective object sensor consists of an infrared light emitter diode (IRED) and an NPN silicon phototransistor mounted side-by-side on parallel axes in a compact black plastic housing. The ...