Blog Archives

Richard Feynman, on Limited Government

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richard-feynman on limited government

Source: The Meaning of It All, p. 57.

Awake

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awake

Social Protest, the Easy Way!

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socks 2011

Richard Feynman Explains When Rules Are Wrong

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richard-feynman quote

Richard Feynman, on Uncertainty in Science

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richard-feynman quote

Reflected Rainbows

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complicated

Black and White Tessellation Using Semicircles

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tess curves

All of the curves used in this tessellation are semicircles. The tessellation itself is a modification of the regular tessellation of the plane using equilateral triangles.

Polyhedron with 362 Faces

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Polyhedron with 362 Faces

I’d like to find a polyhedron with the same number of faces as there are days of the year. This is the closest I’ve come, so far.

The software I used, Stella 4d, may be purchased at http://www.software3d.com/Stella.php. There is also a free trial download available.

Pie Chart for Main-Belt Asteroid Masses

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Pie Chart for Main-Belt Asteroid Masses

I looked up enough asteroid masses to use them to make this pie chart. I now have three reactions.

First: oh, that’s why only Ceres is round!

Second: who was stupid enough to name an asteroid Europa? That name is taken!

Third: wow — those small ones sure do make up a lot of the total!

Multiple Octahedra, in a Rotating Cluster with Tetrahedral Symmetry

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Multiple Octahedra, in a Rotating Cluster with Tetrahedral Symmetry

I created this cluster using Stella 4d: Polyhedron Navigator. This program is available at http://www.software3d.com/Stella.php.