Ultrasound is a non-invasive imaging technique that uses the differential reflectance of acoustic waves at ultrasonic frequencies to detect objects and measure distances. It is commonly used for ...

Multifunctional structural metals capable of monitoring their internal mechanical state are increasingly important. Here multilayer strain sensing architectures are embedded directly within Ti-6Al-4V ...

Lidar data collected using NOAA survey aircraft reveals a top-down and side view of Loggerhead Key Lighthouse, Dry Tortugas, Florida. NOAA scientists use lidar-generated products to examine both ...

Emerging air quality sensors – with general traits of being more compact, directly reading pollutants, and lower in cost than traditional methods - have a wide appeal to professional researchers, ...

Answers to commonly asked questions about air sensors are provided to inform those interested in using the technology to measure air quality. What is an air sensor? Air sensor is a simplified way of ...