Forbes contributors publish independent expert analyses and insights. I write about commercial cinema technology and smart-home tech. This article is more than 3 years old. The lava lamp was invented ...

Neon lights are that kind of nostalgic item that everybody seems to love. The neon lamp is a type of gas discharge lamp, they generate light when an electrical discharge travels through an ionized gas ...

You’ve got an apparently simple design requirement on your latest AC-line powered project: provide a distinctly illuminated indicator to show that the unit is plugged into the line and that power is ...