Have you ever picked up one of our pieces or another piece of art glass and smiled as it caught the light and sparkled? The chances are you were looking at Dichroic Glass. Dichroic glass (pronounced "dye-CROW-ick") means "two colors" in Greek. The name is fitting because it appears to have more than one color, especially when viewed under different types of light. This reflective phenomenon is known as thin-film physics. It's the same reason you see rainbows in a soap bubbl