Metalens can focus all colors of the rainbow into a single point

http://www.sciencealert.com/single-metalens-brings-all-rainbow-colours-into-single-point-focus And do you remember I recently wrote a post about the electromagnetic spectrum? Well now things might change. Camera lenses with this kind of technology could be extremely sharp, as well as optics in general. This is astounding! What if we could focus the entire electromagnetic spectrum like this?!