Fermilab's FAST/IOTA accelerator test facility has successfully accelerated and stored its first proton beams.
Artistic impression of a 2D crystal inside a chip, where light (in blue) couples to the electric field of the crystal (in green). Credit: TU Delft / Nijmegen University A newly studied ferroelectric ...
Abstract: In this paper, we investigate the far-field and near-field codebook-based beam training for multi-user modular extremely large-scale multiple-input multiple-output (XL-MIMO) communications, ...
Abstract: Obtaining accurate and timely channel state information (CSI) is a fundamental challenge for large MIMO systems. Mobile cellular systems like 5G use a beam management framework that joins ...
Israel’s Iron Beam (aka Or Eitan) laser air-defense system is fully operational. On December 28–30, 2025, the first ...
A team of researchers at the University of California, Los Angeles (UCLA) has introduced a novel framework for monitoring ...