ELI5: Explain Like I'm 5

Luminous paint

Luminous paint is a very special kind of paint that can glow in the dark. Just like how some things like stars and fireflies can give off their own light in the dark, this paint can too!

When you want to use the paint, it looks just like regular paint in the daylight, but it contains a special material that can absorb certain types of light. When you shine a light on it, this special material collects the light and stores it up like a battery. In the dark, this stored-up light energy then causes the paint to glow.

But how does the paint store this energy? Well, it contains tiny particles known as 'phosphors' that are capable of absorbing certain types of light, such as ultraviolet (UV) light from the sun or artificial sources. Once these particles absorb the light, they become 'charged up' and can then gradually release this energy over time, creating a soft and subdued glow.

What's really cool about this paint is that it can be used in many different ways. You might see it being used to paint stars or galaxy patterns on the walls or ceilings of kids' bedrooms, or to create glowing road markings that are easy to see at night-time.

So there you have it – luminous paint is a special kind of paint that can absorb light and then give off a gentle glow in the dark. It's really cool to look at and makes everything around it more visible when it's dark outside!
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