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, ...

In this video, I built a Spruce Bridge in Minecraft — a simple and stylish wooden bridge made entirely from spruce wood. It’s perfect for connecting paths, rivers, or valleys in your survival world.

With the street attack stalled, the Allies launched a near-suicidal daylight crossing of the 400-yard wide Waal River in flimsy canvas boats. US paratroopers rowed directly into a storm of German ...