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, ...

There’s this whole class of vertically scrolling rhythm games that take both hands and look really fun to play, albeit hard on the joints. You can buy specialized controllers for them, but they’re ...

At first glance, this might appear to be a Rube Goldberg machine made of toys. The truth isn’t far off — it’s a remote-control animatronic story machine driven by its spectators and their phones.