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, ...
Capturing the first image of a supermassive black hole using the Event Horizon Telescope (EHT). This image of the black hole at the center of the nearby galaxy M87 reveals how gravitation affects the ...
Just earlier today, I spent about 45 minutes of active time with Antigravity and built a fully functional budget app for my iPhone. I created the initial project in Xcode, and then the rest of the app ...
This is the open source version of Scratch 2.0 and the core code for the official version found on http://scratch.mit.edu. This code has been released under the GPL ...
For close to a century, scientists have been trying to marry Albert Einstein’s General Theory of Relativity and quantum theory—our two best bets on understanding the universe on a macroscopic and ...