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Abstract: This paper introduces a comprehensive analysis of cross-polarization effects originating from current imbalances in patch antennas and array configurations. A simplified yet broadly ...

Abstract: This letter introduces a novel subarray-configuration method of n × m spiral sequential rotation (SSR) to achieve low cross-polarization level (XPL) and low sidelobe level (SLL) over wide ...

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Astronomers have observed enormous filaments of galaxies tied together with dark matter — the stuff scientists believe makes up 85 percent of the total mass of the universe — stretching across ...

In June 2025, photographs accurately reported Norway had developed and installed underwater turbines for energy production that were friendly to marine life. Rating: False (About this rating?) Context ...

WASHINGTON, Dec 8 (Reuters) - Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds of galaxies, gas and dark matter that makes ...