The invisible light spectrum, encompassing ultraviolet and infrared wavelengths, has long beguiled the human eye. A revolutionary lens technology is now making this unseen light accessible, heralding ...

It may sound like something out of the latest sci-fi film. But scientists have developed contact lenses that allow people to see in the dark. Unlike night vision goggles, these lenses do not require a ...

Light consists of individual particles that propagate in waves. The wavelength determines the color and energy of the light. The human eye can only perceive a small section of this spectrum, ...