The concept of neon lighting has been around since before Thomas Edison invented his incandescent light bulb in the late 1800s ... Neon: produces an orange-red light. Using phosphor-colored ...

Ah, the humble neon lamp. The familiar warm orange glow has graced the decks of many a DIY timepiece, sometimes in a purely indicating duty, and sometimes forming a memory element in place of a ...

Neon lamps are fun to play with ... when the spectrum thrown from the prism is passed over the bulb, it illuminates in the orange section. So this could work. If you know, then do let us know ...