Abstract: This tutorial paper presents the mathematics behind the widely observed air-gap field modulation phenomena in electrical machines and derives the duality between electrical machines and ...

Abstract: Visualizing information inside objects is an everlasting need to bridge the world from physics, chemistry, and biology to computation. Among all tomographic techniques, terahertz (THz) ...

April 21, 2026 • The U.S. and Iran were expected to begin a new round of talks in Pakistan this week, but there's increasing uncertainty about when or if they will happen.