National Key Laboratory of Laser Spatial Information, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China ...

A team of astronomers have presented the first polarimetric observations of interstellar comet 3I/ATLAS, finding that it has extreme negative polarization. On July 1, 2025, astronomers spotted an ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Abstract: This paper presents a novel antenna that autonomously rotates its linear polarization (LP) orientation with carrier frequency, a critical advancement for ultrahigh-frequency (UHF) ...

Abstract: Power delivery in form of electro-magnetic (EM) field is heavily dependent on matching between radiating and observing elements. Both need to share the same resonating frequency and ...