Dutch mathematiciens have finished a drawing by Escher. During the making of this drawing, M.C. Escher stumbled on a math-problem he couldn't solve, leaving a small portion (the center) of the drawing blank.
Now, the drawing has been completed:
(it might even become my new favorite Escher drawing !)
Jörg
Now, the drawing has been completed:
(it might even become my new favorite Escher drawing !)
Jörg
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