What's Behind "Glow in The Dark" Items?

Whats behind the glow in the dark items?  

Okay, tsup. You must have seen a wristband which glows in the dark and wonder why it does. People I know feel it's weird that some stuffs actually glow in the dark because they don't know why it happens well, good thing you asked sciencesnipers.

Phosphor

Phosphor radiates visible light after being energized. This is the substance that "glow in the dark" materials use. Now what do I mean by being energized. For glow in the dark items, the phosphor needs to be energized in the sense that it needs to be stimulated in the day before it can glow in the dark, well most of them, not all of them.

Some glow in the dark substances also make use of zinc sulphide. 

Phosphors can be seen in TV screens. It can also be seen in fluorescent lights where it occurs as a mixture of phosphors that create light which appears white.

Characteristics of phosphor

> The persistence of the phosphor

> The color of light (visible) they produce.

 Phosphors are found in the teeth and fingernails. They are known as natural phosphors.

So now , the mystery has been solved. Phosphor makes 'glow in the dark' items glow.

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