Tessellation Featuring Golden Rectangles
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Author Archives: RobertLovesPi
Nonagonal Mandala
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Nonagonal Mandala III
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Rotating Polyhedral Helix
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It’s made of metabidiminished rhombicosidodecahedra, and can be continued indefinitely.
Software credit, for the program used to create this .gif: see http://www.software3d.com/Stella.php for download and trial demo.
A Second Repeating Tessellation of Regular Polygons Which Lacks Vertex-Transitivity
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A Repeating Tessellation of Regular Polygons Which Lacks Vertex-Transitivity
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An Unusual Tessellation Featuring Regular Hexagons, Equilateral Triangles, and Squares
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Featuring Regulatin
This tessellation uses equilateral triangles and regular hexagons with unit edge length, and squares with twice that edge length.
The Pegasus Crude Oil Pipeline
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I live quite near Mayflower, Arkansas, site of an oil spill and ongoing cleanup efforts. You’ve probably seen it in the news.
Living in a landlocked state, we did not have “oil spill” on our worry-lists here.
You may live near this pipeline, too, and not even know it. That’s why I’m posting this map (which I did not create, but simply found with a Google image-search). There may be other such pipelines here, as well. Few people notice them — until one breaks.
Richard Feynman, on Respect and Authority
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Mark Twain, on Idiots and Lightning
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[Later edit, in October 2015: a friend of mine questions the authenticity of this quote, but did find a source for Mark Twain saying this: “The trouble ain’t that there is too many fools, but that the lightning ain’t distributed right.” He may well be correct; my friend is an expert at detecting false quotations. If anyone knows of a source for the quote in the pic above, please leave a note about it in a comment to this post.]
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