Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Maintaining voluminous, shiny hair at 48 is possible. Inspired by Shakira, we share habits, care routines and tips that ...

From boring openings to breathtaking finales these games completely turned things around after working through a slow start.

This tutorial explains how manga shading uses consistent, parallel hatching lines to create clear shadows. The density of the lines controls the brightness, allowing transitions from light to dark ...