2 thoughts on “You’d think that this was symmetrical at first sight.

  1. Charles

    It is, an object has rotational symmetry if there is a centre point around which the object is turned (rotated) a certain number of degrees and the object looks the same. The number of positions in which the object looks exactly the same is called the order of the symmetry.

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    1. Richard Post author

      Yes, but are we imposing symmetry on the seed head in our brains? If measured, I think it would be a slightly different number of degrees between the points, and the ‘legs’ themselves are subtly curved, differently.

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