Abstract: This work presents the development of a miniaturized ultrasonic liquid viscosity monitoring system based on piezoelectric micromachined ultrasonic transducers (PMUTs) array. The system ...

Decatur City Schools provided an update after an 11th grader's backpack set off a weapons detection system on Monday morning. Trump admin weighs major change to Social Security disability benefits ...

Abstract: This paper studies the physical layer security for a double reconfigurable intelligent surface (RIS) aided wireless powered communication system in the presence of an eaves-dropper, where a ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Meet 3I/ATLAS — an object from another star that's breaking all the rules. ‘Not Constitutional’: Trump Threatens Blue Slip Suit Huda Beauty pulls partnership with 'Love Island USA' star Huda after ...