Polyhedron 


- bill 9-11-2022 2:58 pm

https://www.theguardian.com/science/alexs-adventures-in-numberland/2014/dec/03/durers-polyhedron-5-theories-that-explain-melencolias-crazy-cube?fbclid=IwAR3Ti5S4CYIVFjDJ3usm8fk55vY6QFtJzf4JPrvw9e6f49hLCofPyaYsot0


- bill 9-11-2022 3:00 pm [add a comment]





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