At a Scottish university, the oldest periodic table of elements was unearthed, dating back just a few years after the concept ...

Abstract: A multiple-arm, folded element design is presented that allows a dipole to exhibit a matched impedance and high radiation efficiency when it is very closely spaced (0.05/spl lambda/) to a ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Betsy began ...

Abstract: Periodic orbits are among the simplest non-equilibrium solutions to dynamical systems, and they play a significant role in our modern understanding of the rich structures observed in many ...