sharawaggi
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    • sharawaggi

      Since L. B. Alberti (d.1472) the concept of symmetry has been understood to refer to forms whose right and left halves mirror each other exactly. (Weyl: “A very precise concept”). By this - conventional - standard none of the forms shown in these photographs is symmetric: and in this sense they are indeed all “unbelievable photos of symmetry”. I should add that although snowflakes are often said to be symmetric (even by the current head of Caltech’s physics department) no picture of a symmetric snow flake has ever been published. I doubt, indeed, whether any of Nature’s forms are symmetric except perhaps for brief moments.