Even though mathematicians have spent over 2,000 years dissecting the structure of the five Platonic solids — the tetrahedron, cube, octahedron, icosahedron and dodecahedron — there’s still a lot we ...
When it was made: Second to fourth centuries A.D. Roman dodecahedrons have baffled archaeologists since 1739, when the first example of the 12-sided bronze object was discovered in the English ...
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