A team of engineers built a system that lets people to see colors in the infrared spectrum — as long as they’re looking through a camera lens. The team says that the device can be used to image gases ...

Infrared light passes through the metal lens and is converted into violet light and focussed in a focal point due to the material and the special surface structures – enlarged in the magnifying glass.

Osaka, Japan – Getting a molecule to do what you want it to do is not always easy. As an example, an organic molecule will absorb only certain wavelengths of light based on its arrangement of ...