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Scientists remain baffled over a mysterious 12-sided bronze object dating back to the Roman Empire -- theorizing it could be everything from a candle holder to a "cosmic symbol." There are many sides ...

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 ...

This video explores the mathematical idea of one-sided objects, explaining how shapes like the Möbius strip challenge our ...

An amateur archaeology group found a mysterious dodecahedron near an ancient Roman villa. The purpose of these 12-sided objects is unknown, though many theories have been suggested. The complex ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Roman dodecahedra are something of an enigma: there is no known mention of ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is one of the models of plane ...

These materials include pattern pieces (both plastic and paper) relating to A. Harry Wheeler's models of one-sided polyhedra. Wheeler’s interest in one-sided polyhedral seems to have been heavily ...

There are many sides to this story. Scientists remain baffled over a mysterious 12-sided bronze object dating back to the Roman Empire — theorizing it could be anything from a candle holder to a ...

Where it is from: Northwestern provinces of the Roman Empire When it was made: Second to fourth centuries A.D. Related: Penguin Vessel: 1,600-year-old Nazca depiction of a cold-water Humboldt penguin ...