The Big Think

February 19, 2014

After 400 years, mathematicians find a new class of shapes

Filed under: Science — jasony @ 3:23 pm

After 400 years, mathematicians find a new class of shapes | Ars Technica: “The works of the Greek polymath Plato have kept people busy for millennia. Mathematicians have long pondered Platonic solids, a collection of geometric forms that are highly regular and are frequently found in nature. Platonic solids are generically termed equilateral convex polyhedra. In the millennia since Plato’s time, only two other collections of equilateral convex polyhedra have been found: Archimedean solids (including the truncated icosahedron) and Kepler solids (including rhombic polyhedra). Nearly 400 years after the last class was described, mathematicians claim that they may have now identified a new, fourth class, which they call Goldberg polyhedra. In the process of making this discovery, they think they’ve demonstrated that an infinite number of these solids could exist.”

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