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, ...

EVIO, a little-known hybrid-electric aircraft developer backed by Boeing, stepped into the spotlight on December 11, 2025, with the public launch of its EVIO 810 regional airliner and a claim of 450 ...

Evio released this digital rendering of its planned 76-seat Evio 810 hybrid-electric regional airliner.

Keep your Amazon gift purchases a secret with Amazon Family. Whether you’re shopping for the holidays, a special occasion, ordering a birthday present, or treating yourself to something you don’t want ...