Tucked away in Elgin, Illinois, the Habitat for Humanity ReStore isn’t just another thrift shop—it’s a cavernous wonderland where your dollars stretch like carnival taffy while simultaneously saving ...

What are they? Rare earths are chemical elements with unique magnetic and luminescent properties. To be specific, they are a ...

Abstract: In order to improve the periodic permanent magnetic (PPM) focusing the performance of traveling wave tubes (TWTs) for the higher current, the analysis and experimental study of the ...