Scientists demonstrate low-cost, high-quality lenses for super-resolution microscopy

Researchers have shown that consumer-grade 3D printers and low-cost materials can be used to produce multi-element optical ...
IEEE

Characterizing an Array's Mutual Coupling via a Time-Modulated Array Technique

Abstract: In this letter, we model the mutual coupling of a time-modulated array (TMA) and investigate methods for characterizing the mutual coupling using complex-quantity and magnitude-only ...
IEEE

On the Road to 6G: Visions, Requirements, Key Technologies, and Testbeds

Abstract: Fifth generation (5G) mobile communication systems have entered the stage of commercial deployment, providing users with new services, improved user experiences as well as a host of novel ...
Wall Street Journal

All That Cheap Chinese Stuff Is Now Europe’s Problem

LONDON—President Trump’s crackdown on Chinese imports in the U.S. has redirected a tsunami of cheap stuff into Europe. Some of it is pooled in Xue Er’s backyard. A stay-at-home mom in her 40s who ...