During recent storms, satellites recorded ocean waves averaging nearly 20 meters high—as tall as the Arc de Triomphe in Paris and the largest ever measured from space. Moreover, satellite data now ...

Abstract: With the increasing demand for high integration in satellite communications, the low-profile performance of beam-scanning antennas (BSAs) has become a key factor limiting their applications.

Abstract: This study presents a novel design of a silicon-based terahertz (THz) beam-scanning antenna using Risley prism beam deflection principle. The proposed system achieves beam steering through ...

Texas is experiencing a superbloom of a very different variety, as smacks of “pink meanie” jellyfish have been spotted along its coastline. These vibrantly colored and predatory jellyfish are ...

Objectives To describe and compare 20 m shuttle run test (20mSRT) performance among children and youth across 50 countries; to explore broad socioeconomic indicators that correlate with 20mSRT ...

WASHINGTON — The U.S. Air Force is making physical fitness assessments biannual for all airmen and introducing a 2-mile run as part of the service’s fitness initiative in the new year, the Air Force ...