The GIST method is an aptly-named system for condensing your notes (or anything you’ve read, like a chapter in a book) so ...

Abstract: This article presents a nested delta-sigma modulator (DSM) structure, where an inner analog DSM is embedded in an outer analog-digital-hybrid DSM. The outer hybrid DSM is composed of the ...

The original version of this story appeared in Quanta Magazine. Imagine that someone gives you a list of five numbers: 1, 6, 21, 107, and—wait for it—47,176,870. Can you guess what comes next? If ...

Start your weekly reading with John Riley’s review of the Sigma 200mm f/2 DG OS Sports Lens, a powerful and surprisingly compact choice for wildlife and sports photographers. Learn how to use layers, ...

Abstract: We present a low-cost intensity-modulated direct detection (IM/DD) system for the transmission of high-order QAM signals at millimeter-wave (MMW) band at 87 GHz. The system uses ...