Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

Abstract: Reconfigurable intelligent metasurfaces (RISs) have emerged as promising platforms for flexible electromagnetic (EM) wave control. However, the design of metasurface units has traditionally ...

Valentine’s Day is a holiday that can often cause a lot of controversy. There are several camps of thought behind it: some hate it, some love it, some are on the fence. It’s become popularised by card ...