The glass tubing that we use is specifically made for the neon-sign industry. It comes in various diameters. This particular one is 12 millimeter in diameter. If you use a tube that's too large ...

Instead of making traditional neon signs, Chan decided to simplify the process by replacing the glass tube with an electroluminescent ... Posting about Hongkongers’ home-cooked food to record ...

Helium-neon lasers may be little more than glorified neon signs, but there’s just something about that glowing glass tube that makes the whole process of stimulated emission easier to understand.