July 10, 201412 yr Not long ago I posted a windmill I made of Styrofoam. Each side had paper on it and I didn't think it would last long and would soon blow apart. However a surprising thing happened. The paper on the outside of each vane started to come off. So I pulled it off all 8 vanes and didn't think any more about it. Today I looked closer and saw that each vane had pulled back toward the paper side and gave it a more aerodynamic look and each pulled back the same amount, so it is uniform. I had to laugh when I saw that . Even a blind squirrel can get lucky :-)
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