How to enlarge 2-D materials as single crystals

What makes something a crystal? A transparent and glittery gemstone? Not necessarily, in the microscopic world. When all of its atoms are arranged in accordance with specific mathematical rules, we call the material a single ...

'The Big Bang Theory' takes math notes from Carl Pomerance

A prime number theory equation by mathematics professor emeritus Carl Pomerance turned up on The Big Bang Theory, where it was scrawled on a white board in the background of the hit sitcom about a group of friends and roommates ...

New record on the growth of graphene single crystals

Graphene, especially the graphene single crystal, is a star material for future photonics and electronics due to its unique properties, such as giant intrinsic charge carrier mobility, record thermal conductivity, super stiffness ...

Brightening perovskite LEDs with photonic crystals

All inorganic cesium lead halide perovskite semiconductors exhibit great potential for nanolasers, light emitting diodes and solar cells due to their unique properties, including low threshold, high quantum efficiency and ...

'Terminator'-like liquid metal moves and stretches in 3-D space

In the blockbuster Terminator movie franchise, an evil robot morphs into different human forms and objects and oozes through narrow openings, thanks to its "liquid-metal" composition. Although current robots don't have these ...

New Cretaceous fossil sheds light on avian reproduction

A team of scientists led by Alida Bailleul and Jingmai O'Connor from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences reported the first fossil bird ever found with ...

page 1 from 10