Optical computing has emerged as a powerful approach for high-speed and energy-efficient information processing. Diffractive ...

Art frame TVs are designed to blend in like a piece of framed art hanging on your wall. They use matte screens, flush mounts, ...

If you’re a regular reader of Hackaday, you may have noticed a certain fondness for Meshtastic devices, and the LoRa protocol ...

Abstract: A rigorous and computationally efficient method is presented for evaluating the reflection coefficients of antennas operating above planar layered media. The approach reformulates the ...

Abstract: This article presents a novel constellation modeling method for fast and accurate calibration of beamforming integrated circuits (BFICs) and radio frequency (RF) chains in large-scale phased ...

Meet your ticket to free broadcasts. A good one costs less than $20. Photo-Illustration: Vulture; Photos: Courtesy of retailers This article was first published September 12, 2025, and has been ...