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, ...

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Last year's Eurovision Song Contest champion, Nemo, has announced they are handing back their trophy in protest at Israel's ongoing participation in the competition. The 26-year-old Swiss performer ...

Learn how to make a Captain America–inspired twisted cobra paracord bracelet with a clear, step-by-step tutorial. This video covers materials, color setup, knotting technique, and finishing tips, ...