Splitting white light into its constituent spectral components has been of interest ever since Newton first discovered the phenomenon of color separation. Many devices have since been conceived to ...

A new metamaterial-based nanophotonic color router maintains 78% optical efficiency at oblique angles, enabling accurate color separation for next-gen smartphone cameras. (Nanowerk News) Smartphone ...

Sometimes a scientist needs to figure out what is in a certain mixture of substances. One way they can do this is to use a process called chromatography. In the activity below, you can try ...