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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, ...

The Schofield Revolver boasts more firepower than most other revolvers with the quickest firing rate to boot - making it a perfect choice for fanning the hammer. Its only offset is a slightly longer ...

Step by step tutorial on how to make a LEGO brick vending machine using standard LEGO bricks. This video explains the full build process, including the internal layout, simple input system, and manual ...

Step by step tutorial showing how to make a tiny LEGO vending machine using standard LEGO bricks. This video explains the full build process, including the compact internal layout, simple dispenser ...