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Math Songs:


Gumdrop Platonic Solids

Video: Gumdrop Platonic Solids

The five Platonic solids are the tetrahedron, the cube, the octahedron, the dodecahedron, and the icosahedron. Their faces are regular polygons. These solids are perfectly symmetrical in that each face of a solid is identical to every other face of the solid, each vertex is identical to every other vertex, and each edge is identical to every other edge.

Each Platonic solid has a dual: a solid whose vertices correspond to the faces, and faces to the vertics. The dual of the cube is the octahedron. The dual of the dodecahedron is the icosahedron. The tetrahedron is its own dual.

Science of Probability    
Exploratorium Math Explorer    
More Math Sites    
Hands-On Math    

Lissajou Figures:

Nova: Fractals- Hunting the Hidden Dimension    

Cellular Automata

Wallpaper Patterns    

Visual Mathematics:

Wolfram Math World    
Revised March 2009 by Jonathan Dietz, dietzj@mail.weston.org