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.

She stops to explain the various noble gases and the way that pressure in a glass tube makes light jump and “snake ... As Deborah Katon explains, although nearly all lit signs are called neon, ...

Custom Neon Signs Discover essential tips for cleaning, maintaining, and storing your neon signs to keep them shining bright and lasting lo ...