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Monthly Archives: September 2014
A Polyhedral Journey, Beginning with FaceBased Zonohedrification of an Icosahedron
To begin this, I took an icosahedron, and made a zonish polyhedron with it, with the new faces based on the zones of the existing faces. Here’s the result. Next, I started stellating the polyhedron above. At the sixth stellation, … Continue reading
Posted in Mathematics
Tagged augment, augmentation, convex hull, geometry, icosahedron, Mathematics, polyhedra, polyhedral, polyhedron, stellate, stellation, zonish, zonohedrification, zonohedron
2 Comments
A Zonish Icosahedron, and Some of Its “Relatives”
To begin this, I used Stella 4d (available here) to create a zonish polyhedron from the icosahedron, by adding zones along the x, y, and zaxes. The result has less symmetry than the original, but it is symmetry of a … Continue reading
Posted in Mathematics
Tagged dual, geometry, icosahedron, Mathematics, polyhedra, polyhedral, polyhedron, stellation, zonish, zonohedrification, zonohedron
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Cuboctahedral Cluster of Rhombic Triacontahedra
Due to their high number of planes of symmetry, rhombic triacontahedra make excellent building blocks to build other polyhedra. To make this, I used a program called Stella 4d, which you can try right here.
Posted in Mathematics
Tagged cluster, cuboctahedron, geometry, Mathematics, polyhedra, polyhedral, polyhedron, rhombic triacontahedra, rhombic triacontahedron
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Sam Harris: A Quote
Source — Waking Up: A Guide to Spirituality Without Religion, p. 38.
Posted in Life, Mental Health, Quotations
Tagged quotation, quote, Sam Harris, Waking Up
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Anticarbon14 and Oxygen18 Nuclei: What If They Collided? And Then, What About the ReverseReaction?
Were nuclei of anticarbon14 and oxygen18 to collide (and their opposite charges’ attractions would help with this), what would happen? Well, if you break it down into particles, the anticarbon14 nucleus is composed of six antiprotons and eight antineutrons, while … Continue reading
Posted in Science and Scientists
Tagged antimatter, particle, physics, science, speculation, speculative
1 Comment
Top 100 Banned/Challenged Books: 20002009
The best ways to celebrate Banned Books Week (which is going on now) are to read/buy/give away banned books, and/or donate money to libraries which deliberately put banned books in the circulating collection, as all good libraries do. I’ve colorcoded … Continue reading
Posted in Fiction, Life, Politics
Tagged banned books, banned books week, books, censorship, library, read, reading
1 Comment
The 109th Stellation of the Triakis Icosahedron
Created using Stella 4d: Polyhedron Navigator, available here.
Posted in Mathematics
Tagged geometry, icosahedron, Mathematics, polyhedra, polyhedron, stellated, stellation, triakis
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