A geometry problem over a century old has just found its definitive answer. Mathematicians have confirmed that the solution ...

This is what multipolarity truly looks like in April 2025: not a neat balance of equals, but a dynamic, evolving structure shaped by ambition, restraint, legacy, and demographics. By the end of the ...

What are the different types of CAD? Computer-aided design, or CAD, began in the late 1960s and early in the 1970s and was ...