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, ...

Richard has more than 30 years of experience in the financial services industry as an advisor, managing director, and director of training and marketing, specializing in Finra exams, investing, and ...

Endless emails, map requests, web searches, and everything else we do online requires the use of energy-hungry, water-guzzling data centers. For Google, that enormous thirst for water is causing ...

Plastic bags, straws, bottles, and toys clutter the world's oceans, from the depths of the Mariana Trench up to the frigid North Pole. For most land dwellers, it's an invisible problem. We do our best ...