Order doesn’t always form perfectly—and those imperfections can be surprisingly powerful. In materials like liquid crystals, tiny “defects” emerge when symmetry breaks, shaping everything from cosmic ...

Abstract: Multiport network theory has been proved to be a suitable abstraction model for analyzing and optimizing reconfigurable intelligent surfaces (RISs) in an electromagnetically consistent ...

Many people do not finish a massive open online course (MOOC). This does not match the goal of large-scale online learning. Learners have different goals and backgrounds. Xiaomei Wei's dissertation ...

I once read a quote that said, “If you think you’re enlightened, go spend a week with your family,” and I’m pretty sure that spending time with your family of origin could be the ultimate litmus test ...