Abstract: A penta-mode concept is proposed for the design of single-fed ultrawideband circularly polarized (CP) antennas. The concept involves five linearly polarized (LP) modes in a way that each two ...

Abstract: Wide-bandgap semiconductor devices are widely used in power electronic systems for their high switching speed and frequency characteristics, which enhance power density and output fidelity, ...

Federal data shows post-pandemic student math scores are still down. Maine education officials are responding with a new effort to show students that math has real-world relevance.

In the spring of 2005, an elementary-school-aged kid named Austin wanted to meet someone. He just didn’t know how to do it. It was a Saturday afternoon in the Reno, Nevada, area. Reed High School was ...