Roger Penrose - Forbidden crystal symmetry in mathematics and architecture
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Sir Roger Penrose provides a unique insight into the "forbidden symmetry" of his famous penrose tiles and the use of non-repeating patterns in design and architecture. It is a rigorous mathematical theorem that the only crystallographic symmetries are 2-fold, 3-fold, 4-fold, and 6-fold symmetries. Yet, since the 1970s 5-fold, 8-fold, 10-fold and...
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