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Program Information
 Extracts from the Past, Present, and Future of Chemistry
 Weekly Program
 Chemical Heritage Foundation  
 No excerpting/modifying without permission.
 Attribution Non-commercial No Derivatives (by-nc-nd) 
 No Advisories - program content screened and verified.
In today’s episode we focus on the physical type of illumination. First we learn about light pollution and why sodium vapor lamps are used so abundantly today. Then producer Ann Dornfeld goes to Bioluminescent Bay in Vieques, Puerto Rico, to explore how bioluminescence works. Finally we uncover the mystery behind glow-in-the-dark products like the green star stickers on ceilings or glowing wristwatch numbers. Element of the Week: Sodium.
Distillations is produced by the Chemical Heritage Foundation. For more information, visit distillations dot chemheritage dot org.

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00:12:03 English
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