Tag Archives: 10

SpinStar

Image | Posted on by | Tagged , , , , , , , , , , , , , , , | Leave a comment

A Compound of Ten Elongated Octahedra Which Is Also a Particular Faceting of the Rhombicosidodecahedron, Together with Its Dual

Thinking about the post immediately before this one led me to see if I could connect opposite triangular faces of a rhombicosidodecahedron to form a ten-part compound — and it worked with Stella 4d just as it had when I … Continue reading

Posted in Mathematics | Tagged , , , , , , , , , , , , , | Leave a comment

Various Views of Three Different Polyhedral Compounds: Those of (1) Five Cuboctahedra, (2) Five of Its Dual, the Rhombic Dodecahedron, and (3) Ten Components — Five Each, of Both Polyhedra.

Polyhedral compounds differ in the amount of effort needed to understand their internal structure, as well as the way the compounds’ components are assembled, relative to each other. This compound, the compound of five cuboctahedra, and those related to it, … Continue reading

Posted in Mathematics | Tagged , , , , , , , , , , , , , | 1 Comment

Another Modest Proposal (with Apologies to Swift)

The day on this planet is 84,600 seconds long. That’s not far from 100,000 — so we could shorten the second a bit, call it something else, and get 100,000 of them each day to create a decimal clock. 100 … Continue reading

Posted in Life, Mathematics | Tagged , , , , , , , , , | Leave a comment

Ten Enneagrams

These enneagrams are of the {9/3} variety, which means each one is made of three concentric, equilateral triangles. One of these enneagrams is at the center; the other nine surround it.

Image | Posted on by | Tagged , , , , , , , , , , , , , , | Leave a comment

Not “Dead Presidents”

Attention, Americans: These two men, Alexander Hamilton and Benjamin Franklin, are, indeed, dead. However, neither of them ever served as president. Therefore, please stop calling money “dead presidents,” unless you are excluding these two denominations, and, moreover, please stop this … Continue reading

Image | Posted on by | Tagged , , , , , , , | Leave a comment