Matt's
Tutorials

Fun with Mobius strips

• Things to do with Mobius strips

Euler's formula and the Platonic solids

• The five Platonic solids

• How to build them

• Why there are five

• Euler's formula

• Fun with solids and their nets

Things with Euler characteristic less than 2

• A relatively complicated model torus

• A less complicated model torus

Icosahedra and Viral Structure

• The biology behind it

• The math behind it

• A good picture