Chemistry...
Shiv, MEMBER
18, India
2370 points (CALCIUM)


thanks...cool video on indigo

 
   
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thanks...cool video on indigo

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See also

Why is the sky blue
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Your rating: None Average: 4.1 (14 votes)
Video
The President of Molecular Frontiers, Professor Richard Zare, explains why the sky is blue. This video is from CBS News' Good Questions series, first broadcast in October, 2007.