Sun Goes Down. Up Comes A Mystery : Krulwich Wonders... : NPR
Ottway Ducard stashed this in Science
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Sweet.
Why is the daylight sky blue? http://www.sciencemadesimple.com/sky_blue.html
Science made simple. An interesting and inspiring concept, sure to help many grok the basics of science that had previously escaped them.
Any good websites or YouTube channels you recommend besides that one?
6:19 AM Oct 13 2012