Cosmic eruption caught in the act by submillimeter array's new fastest response system

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

IBM says it can fit nearly 100 billion transistors on a chip - why the milestone matters

IBM's sub-1-nanometer NanoStack architecture holds almost 100 billion transistors on a chip. These chips are cheaper to run ...
IEEE

Multi-User Modular XL-MIMO Communications: Near-Field Beam Focusing Pattern and User Grouping

Abstract: In this paper, we investigate multi-user modular extremely large-scale multiple-input multiple-output (XL-MIMO) communication systems, where modular extremely large-scale uniform linear ...
IEEE

Sub-Nyquist Wideband Spectrum Sensing and DOA Estimation with Sparse Co-Arrays

Abstract: This letter addresses the joint estimation of frequency and direction-of-arrival for multiple uncorrelated narrowband sources within a wide bandwidth under sub-Nyquist sampling. We propose ...