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, ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Blue sky laws are state-level, anti-fraud regulations that require ...

How Russia keeps raising an army to replace its dead The Trump lawyer scandal is about something much deeper than legal technicalities Rescue helicopter returns to Oregon town following Trump ...

It started as a simple 3D modeling exercise, make a donut in Blender, everyone said. Easy, right? Hours later, I found myself in a spiral of lighting tweaks, texture mapping chaos, and endless render ...