LEDs and photosensitive paper show light be a particle in this demonstration explaining how light comes in little "packets" that we call photons. Colored LEDs make phosphorescent paper glow only if their color (frequency) of light is high enough in energy.
Science Theater Episode 002: Photons of Light
Thursday, January 05, 2006
Photons of Light - Episode 2
Posted by Dr. Matt J. Carlson on 1/05/2006 08:53:00 PM
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