Abstract: Advancements in ultrasonic imaging sensors (UISs), such as improvements in cost-effectiveness, low power consumption, and suitability for challenging environments, have been useful for drone ...

When you think of ultrasonics, you probably think of a cleaner or maybe a toothbrush. If you are a Star Trek fan, maybe you think of knocking out crew members or showers. But there is another ...

Abstract: This article focused on investigating the resonance frequency of piezoelectric transducers (PZTs) and the impact of different compensation methods on the performance of ultrasonic wireless ...

College of Materials Science and Engineering, Sichuan University, 610064 Chengdu, China Department of Materials Science and Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91058 ...

I have a confession to make: I used to take off my engagement and wedding rings all the time, which usually raised a few eyebrows amongst my other married friends. Why? I wasn't having an affair, ...

(AP) - Authorities are considering whether to charge an Indiana homeowner who they say shot and killed a woman working as a house cleaner after she mistakenly went to the wrong address. Police ...