What makes a fluorescent bulb glow?

Answer Fluorescent bulbs rely on the ionization and luminescence of argon and mercury vapors that act as a filament. Electrical current regulated through these gasses ionizes the gas and emits ultraviolet... Read More »

Top Q&A For: What makes a fluorescent bulb glow

Why do fluorescent rocks glow?

There is a mystery surrounding a particular group of rocks that appear to glow. Some call them fluorescent rocks, but they require ultraviolet light in order for humans to see their supposed glow. ... Read More »

What makes glow in the dark things glow?

Three main ways. Radioactive, light absorbing material and chemical reaction.Radioactive: In the good old days say before the 80's or 70's they used Radium. They painted watch & clock dials and ins... Read More »

What makes glow-in-the-dark stars glow?

Glow-in-the-dark stars are a fun toy for children because they remain glowing in a seemingly magical fashion. The technology behind glow-in-the-dark toys extends to many other day-to-day items.Glow... Read More »

Why do fluorescent materials glow under a black light?

Fluorescent materials glow under a black light because they absorb photons of invisible, ultraviolet (high-energy) light from the lamp and, in turn, re-emit photons of clearly visible, bright (low-... Read More »