Phosphorescent paints are special types of coatings that can absorb light and then re-emit it over time. They contain phosphors, which are materials that glow in the dark after being charged by a light source. These paints are commonly used for safety signs, decorative items, and even in art to create glowing effects. When exposed to light, phosphorescent paints can glow for several hours, depending on the quality and thickness of the application. They are often used in emergency exit signs and children's toys to enhance visibility in low-light conditions, making them both functional and visually appealing.