July 19, 2026 • With President Trump in attendance, an all-superstar lineup that included Madonna, BTS, Justin Bieber and Burna Boy felt a little more political than it might have otherwise. July 19, ...

Abstract: Recent studies have investigated the use of the accelerometer sensors in smartphones and wearable devices for human activity recognition such as sitting, standing, walking, and laying down ...

Abstract: This article reports for the first time a stiffness-adjustable resonant accelerometer using the distributed electrostatic drive scheme, which has great potential in realizing high-frequency ...