Abstract: In this letter, we have proposed a two-dimension (2D) non-contact optically levitated nano-conveyor belt based on the photonic nanojet (PNJ) effect of microspheres array which is embedded in ...

Abstract: In order to solve the real-time positioning problem of flexible wearable ultrasonic transducer array unit under dynamic conditions, a new transducer array based on button flexible structure ...

Build your Java skills from the ground up by working on simple tasks and beginner-friendly projects. Challenge yourself with more complex Java problems, including those focused on multithreading and ...