>>>>> You go out on the street and try to find someone who will

>>>>> you that furrows cannot be circular or spiral.

>>>> ? ?You go to a farm and find a farmer who agrees that it

>>>A self described expert on agriculture on one of the related

>>>just stated exactly that.
>>>Potato farmers often work in circular fields to save water.
>>>Now you _really_ look stupid.

>> I disagree. �He was merely ignorant of that fact, as were you.

>
> I didn't know it had already been done but that was hardly

> It was trivially obvious that it _could_ be done.
>
> Every last issue of _National Geographic_ every tourist brochure in
> every seat pocket on every airliner show photos of curved furrow
> agriculture for it's scenic value.
>
> How dumb do you have to be to not know the curve could go into a
> complete circle?
>
> It's one thing to say you don't think something can be done when

> are knowledgeable in the field and it hasn't been proven and you

> a reason to believe it cannot be done.
>
> It's quite another to dogmatically claim something cannot be done

> you are ignorant of that field.
>
> Bret Cahill