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Circular fields (2) Thu, Jul 31, 2008
It has just come to my attention that circular fields used for farming are circular because of irrigation systems that rotate around a fixed point (the center of the field).  I thought it had something to do with harvesting being easier when done in one smooth motion, more like a spiral. #psychology

Rus Thu, Jul 31, 2008
Perhaps if you spoke to you uncle more often.... ;-)

Dave Fri, Aug 01, 2008
I'll be seeing my uncle the polymath in a few weeks.  I'll ask him.  He probably already knew.

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