The writer Tristan Gooley describes how a pair of familiar constellations can help a person navigate in darkness when other methods fail.

Abstract: We proposed a novel beam switching antenna system which is composed of multiple microstrip comb-line antennas with different beam directions in the perpendicular plane to the feeding line.

The core challenge of modern manufacturing lies in how to seamlessly translate the precise intent of product design into efficient and high-quality production execution in the workshop. Scenario One: ...