👉 Cathodoluminescence is a phenomenon where light shines out from a material that contains a substance that emits a color or pattern when exposed to light. This process can be observed in various materials such as glass, ceramics, and even textiles. In this context, "cathodoluminescent" refers to the characteristic of a material emitting a faint, almost invisible, glow due to the presence of a cathode (the part that receives the light) that absorbs it. This effect can
