Did you know that the brilliant neon lighting you usually see on signs was introduced by Georges Claude in 1910? Neon lighting is made with a sealed glass tube with metal electrodes inserted through the glass. Each glass tube contains an element in gas form. When electrified, the gas glows. The color of the light depends on the type of gas or gas mixture that is inside the tube. Neon gas glows a reddish-orange, hydrogen glows red, helium glows yellow, carbon dioxide glows white, and mercury glows blue.
We hope that you have an enlightening day at school. Remember to think kind thoughts, use kind words, and do kind things. We Love You.