That evidence lies in this, the Lycurgus cup. It’s an example of dichroic glass — that is, glass that takes on a different color depending on the light source. In this case, the opaque green ...

One of her pieces in the show is “Starlit Beach,” a colorful beach scene which Leppard crafted with kiln-worked dichroic glass. “I like to play with color,” said Leppard. “With ...

Therefore, these helically dichroic waveguides promise the realization of new devices with exceptional discrimination ...