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I think I understand so so why golf balls aren't made smooth (is there a name for those circular dips). I assume it allows a better (laminar?) airflow, with less turbulence and higher pressure on the backside. I would appreciate if someone could confirm this or give a clear and concise, and perhaps rigorous (mathematical) explanation if its possible.

Now are there any other systems where similar dips are used to improve an airflow? Would it work on airplane wings? If so, would ellipses be better than circles? How would the optimum dip specifications be determined? Thanks.

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# Golf balls

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