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.<br /><br /><a href=http://web.ics.purdue.edu/~mjcarlso/ST/ST002_Photons_of_Light.m4v>Science Theater Episode 002: Photons of Light</a>

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

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.<br><br><a href="http://web.ics.purdue.edu/~mjcarlso/ST/ST002_Photons_of_Light.m4v" rel="noopener noreferrer">Science Theater Episode 002: Photons of Light</a>

Photons of Light - Episode 2

Video podcast of cool science demonstrations. Join Dr. Matt Carlson as he risks life, limb, and dignity to bring you the finest science videos on Earth.

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Photons of Light - Episode 2

Photons of Light - Episode 2