Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Suzanne is a content marketer, writer, and ...

The world is full of suffering, but why? Is suffering just a part of life that we must accept and try to deal with? Questions about suffering and evil have always been a big challenge for religious ...

Abstract: This paper investigates orthogonal modes and their space harmonics in a dielectric-filled rectangular waveguide (RWG) leaky-wave structure. The dispersion analysis on orthogonal modes in ...