For centuries, stories about will-o’-the-wisps have captured the popular imagination. Countless tales have been told to explain the mysterious lights seen hovering above marshes, swamps and bogs, with ...

Time-varying systems, materials with properties that change over time, have opened new possibilities for the experimental ...

Abstract: With the technology advances and implementation acceleration of medical digitization, more and more medical devices with radio frequency (RF) wireless communication capabilities are adopted ...