Roman dodecahedron

The platonic solids are of course quintessentially Greek (although a claim to their discovery has apparently been staked on behalf of rugged Scots — who certainly play rugby better, not that this should influence priority disputes). I was therefore quite intrigued to see today, in the Roman Museum of the town of Avenches, a very beautiful Roman dodecahedron:

The decorations are quite interesting; note for instance that the holes in the faces are not all of the same size. The accompanying text mentioned that at least 60 such objects have been found in what was ancient Roman territories north of the Alps, and that their purpose (if any) is not known. This one was found in a private house (the approximate date is not mentioned, but the old Roman city of Aventicum apparently flourished mostly during the first Century).

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Kowalski

I am a professor of mathematics at ETH Zürich since 2008.