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, ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

A solid "Minecraft" survival guide focuses on careful resource management, awareness of threats, and strategic planning, particularly in the first few nights of a new world. Most player deaths occur ...

Discover easy "Minecraft" starter house ideas and beginner house designs with simple, functional builds perfect for any new player starting their survival adventure. Pixabay, Dsloan79 "Minecraft" ...