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The 13-Zone System
A zometool-based geometrical model/puzzle based on the 13-zone system, i.e., 3 blue lines, 4 yellow lines and 6 green lines, which are associated with the face centers, vertices and edge centers of the cube.
4 x 13
The talk corresponding to this paper can be found here: https://www.youtube.com/watch?v=ZijlID83FTg&t=15s
Penrose P3
I am making paper flexagons with Penrose patterns on them to illustrate the patterns. My stuff touches three things from Martin Gardner, Flexagons, Penrose Tiles, and Polyominos (the classification system for tetraflexagons is based on these with a…
Golden Magic
My artwork, 'Golden Magic', especially created for G4G13 conference is dedicated to four remarkable men: Martin Gardner, Raymond M. Smullyan, Tom Rogers, and Al Seckel. Rich in golden mean proportions the composition consists of 13 elements placed…
Veternary - Magic Trick
An animal based who-is-who in which with the right three questions any animal becomes uniquely identified using a ternary "sieve". For the first 16 animals this also works in binary.
Music Box Playing the Fibonacci Kecak
Recent Geometric Sculpture
This music box is structurally incapable of being rotated in reverse.
To hear the passage you just heard again, you would have to keep turning the crank for nearly five days without sleep or rest.
The title of this work is "El caja de música de…
To hear the passage you just heard again, you would have to keep turning the crank for nearly five days without sleep or rest.
The title of this work is "El caja de música de…
Origami Romance
A series of square twists that tell the story of an origami romance
Color Contrast Contortions
We consider various combinatorial problems and puzzles that arise in trying to arrange squares of contrasting colors.