With its attachable light diffuser, 1,067 lumens, 3,400-mAh lithium-ion battery and built-in USB port for charging gadgets, the Touch 1K looks much like the Lantern, which features a light diffuser of ...

The camera flash on a smartphone doubles as a helpful flashlight for those who need to find something in the dark, although that "flashlight" is too strong and harsh on the eyes to be used for ...

Researchers developed a nanostructured light diffuser that provides balanced lighting by diffracting blue and red light, and can be cleaned by simple rinsing with water. The diffuser consists of cheap ...