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Originally Posted by SomeCreep
Okay, so you know about the great wall of China, but do you know why the Sky is blue? 
I learned why in my 3rd year of college physics. The reason is so technical and so long, that a kids brain would melt if they heard it. |
Nah. You just sit down your average ten year old and tell them simply "The sky is blue because of Rayleigh scattering.". If they ask what that means, just tell them it's magic.