Scientists have developed revolutionary contact lenses that grant wearers the ability to see infrared light—a feat humans naturally cannot achieve. This breakthrough, detailed in the journal Cell00454 ...

In recent years, the world of optics has undergone a major shift. New research shows how light can be bent, focused, and even changed in color using structures so small they’re invisible to the eye.

Add Yahoo as a preferred source to see more of our stories on Google. Scientists in Switzerland have developed an ultra-thin metalens that converts invisible infrared light into visible light by ...

From left to right: Schematic of the nonlinear optical mirror used for up-conversion imaging. Energy diagram showing the sum frequency generation process used for up-conversion. Representative ...