In a new study, researchers demonstrate long-term, non-invasive monitoring of blood sodium levels using a system that combines optoacoustic detection with terahertz spectroscopy. The paper is ...

This tutorial has focused on the importance of accurate measurement by flow meters in industrial applications and what is necessary to provide accuracy. The properties of fluid flow are discussed in ...

In this paper, a quasi-spherical PVDF airborne ultrasonic transducer for three-dimensional (3D) ultrasonic location systems is designed and fabricated using two strips of cylindrical PVDF film. The 3D ...