Hobbymath's wanderings #10

Tetration.

Michio Kaku: "The Multiverse has 11 Dimensions" (Video).

Calabi-Yau manifold.

Superstring Theory: Extra Dimensions.

Topology: Surface.

Topology: Manifold.

Topology: Boundary.

Topology: Real Projective Plane.

Topology: Genus.

"Dancing with fractals: The Chaos Game (with Music!)"(PDF).

In space, do all roads lead to home?.

Dodecahedron.

Topology: Three-torus.

Topology: Gluing diagrams.