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Phosphorescence

usgb/ˌfɑːsfəˈresns/Volume
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Science Connection

Phosphorescence is often used in scientific contexts to describe materials that emit light without heat.

Illustration for Science Connection
Researchers study the phosphorescence of algae to understand bioluminescence.
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Safety Uses

Phosphorescent materials are used in safety signs and emergency exits as they can glow in the dark.

Illustration for Safety Uses
The emergency exits were marked by a phosphorescent strip on the floor.
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Persistent Glow

The glow of phosphorescent objects lasts longer than fluorescence, often visible for several hours.

Illustration for Persistent Glow
The children's room had stars on the ceiling that showed a gentle phosphorescence at night.
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BrillianceFluorescenceGlowIncandescenceIrradianceLuminosityRadianceShine
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