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Harriss Spiral - Example

Author:John Golden
Topic:Fractal Geometry
My example of using the tools in this sketch: http://www.geogebratube.org/student/m480225 to make a Harriss spiral. Read more at: http://www.theguardian.com/science/alexs-adventures-in-numberland/2015/jan/13/golden-ratio-beautiful-new-curve-harriss-spiral

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