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, ...

Sebastian and Ominis know about a secret room under Hogwarts. To be able to get to it, you'll need to solve a few snake ...

If you're looking for something fun to stimulate your mind and expand your cultural knowledge, you can't do better than a crossword puzzle. When they first gained popularity during the 1920s, they ...

If you love creative paracord projects, mind-blowing weaves, and unique survival gear, you need to follow me! Join the Weavers of Eternity community for expert tutorials, fun challenges, and must-know ...