A futuristic Saudi megacity is to feature two skyscrapers extending across a swathe of desert and mountain terrain, according to the latest disclosures on the project by the kingdom's de facto ruler.

Recent research reveals that chimpanzees select stone tools for cracking nuts in ways that may reflect techniques used by ancient human ancestors. The study observed how chimpanzees chose rocks for ...

Micro‐electromechanical systems (MEMS) mirrors and micromirror technologies represent a dynamic confluence of microfabrication, precision engineering and advanced control systems. These devices ...