Glass is everywhere. It is a seemingly straightforward material. Surprisingly, however, glass is actually very complex, and understanding this complexity and the chemistry behind it is critical for a glass artist. Let's Talk Light Color in glass can transform itself. It can reflect light and transmit light, or both at the same time. When lit from the front, we see only the colors of reflected light, similar to most other media. When glass is lit from the back, we see transmit