From Platonic Solids to Archimedean Solids

Simon explains how to to turn Platonic Solids into Archimedean Solids, using truncation and rectification.   Simon explains how to convert Platonic Solids to Archimedean Solids and builds a Rhombicosidodecahedron … Continue reading From Platonic Solids to Archimedean Solids

Wobbly Circles and the Center of Mass

What shape can roll well, other than a circle (wheel)? Two circles, attached together according to a formula involving a square root of two! Simon made these “wobbly circles” inspired … Continue reading Wobbly Circles and the Center of Mass