Earlier, and perhaps more basic, LED masks usually provide just one primary colour treatment mode, such as red or blue, ...

Lead-halide perovskite nanocrystals (NCs) are promising for fabricating deep-blue (<460 nm) light-emitting diodes (LEDs), but their development is plagued by low electroluminescent performance and ...

Two vocal powerhouses, Norah Jones and John Legend, have teamed up for the first time to release their enchanting new single, ...