On Jan. 26, 2026, the Submillimeter Array (SMA) on Maunakea crossed an important threshold for time-domain astronomy. For the ...

Comprising 1,650 individual radio dishes, the telescope aims to study supermassive black holes, spinning dead stars known as ...

Abstract: A $32\times 32$ dual-polarized high-gain high-efficiency antenna array with an enhanced wide operating band applied in remote telemetry systems is proposed. The basic element is composed of ...

Ever since humans began building, they’ve been building up. Throughout the millennia, our constructions have reached higher and higher into the sky, spurred by various motivations: religion, democracy ...

Abstract: This paper presents a dual-band split-ring structure that provides end-fire radiation characteristics for multi-input multi-output (MIMO) mm-wave 5G applications. The proposed single antenna ...