Abstract: There is a high demand for flexible beam scanning of antennas in modern communication and radar technologies. Compared to other beam scanning techniques, mechanical control techniques have ...

Golf instruction is ever-evolving, but the best advice stands the test of time. In GOLF.com’s new series, Timeless Tips, we’re highlighting some of the greatest advice teachers and players have ...

Two San Diego County teachers just earned the state’s top honors. Here’s what a day in their classrooms is like. Two San Diego County teachers just earned the state’s top honors. Here’s what a day in ...