ATRACTOR

Construction of the Moebius strip and other surfaces

Cylinder - Knowing the surface

Euler characteristic

Hyperbolic slit

Knot table

Knots exhibition (Bangor University)

Moebius strip

Moebius Strip - Knowing the surface

Non-orientability of the Moebius strip

Paths on a surface

Paths on a surface: classes of pahts

Projective plane - Knowing the surface

Properties of the Moebius strip

Representations of surfaces by physical models

Torus - Knowing the surface

Ci passa o non ci passa? (in Italian)

Fenda Hiperbólica, Gazeta de Matemática, 3/2014 (in Portuguese)

Geometric Puzzle

Hyperbolic slit

Matemática Viva - Colorir a Tira de Moebius (in Portuguese)

Matemática Viva - Colorir o plano (in Portuguese)

Matemática Viva - Fenda hiperbólica (in Portuguese)

Matemática Viva - Hiperbolóide de fios (in Portuguese)

Matemática Viva - Superfícies minimais e películas de sabão (in Portuguese)

Torus Games