Actually, I can make *any* circle with 2 dots (points): From Wikipedia: *A circl... | Hacker News

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		jackalope on Nov 15, 2012 \| parent \| context \| favorite \| on: Animated Factorisation Diagrams Actually, I can make any circle with 2 dots (points): From Wikipedia: A circle can be defined as the curve traced out by a point that moves so that its distance from a given point is constant.

andrewcooke on Nov 16, 2012 [–]

not quite - you can't make a circle with diameter smaller than the distance between the two dots. and for any given radius, at most two circles (two centre positions) are possible.

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