Two-dimensional (2D) semiconductors, materials that can conduct electricity and are only a few atoms thick, are promising alternatives to the conventional silicon-based semiconductors currently used ...

Twist a stack of atom-thin carbon sheets by just the right amount and the material stops behaving like ordinary metal or insulator. Instead, it starts acting like a peculiar kind of superconductor ...

Get an overview of design patterns, then use what you've learned to evaluate whether the Composite pattern is a good choice for a particular Java use case Numerous strategies have been devised to ...