Cool Science - 3/10/14: Phosphorescence

By Emma Koch - 21Alive

March 10, 2014 Updated Mar 3, 2014 at 11:54 AM EDT

FORT WAYNE, Ind. (21Alive) -- In this week's episode of Cool Science Monday, Martin Fisher from Science Central will talk about "cool" light called phosphorescence.

Martin used our updated exhibit, a wall painted with phosphorescent paint, and small light wands/flashlights. By shining the light onto the wall, a pattern of light would appear on the wall, and then slowly fade away.

Phosphorescence is when a material absorbs light, and slowly releases the light over the time. Because only light is emitted, not heat like with an incandescent light bulb, it’s sometimes called cool light.




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