Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...

It has 6 flat faces, 8 vertices, and 12 edges." A third user weighed in: "I would say it is not a can, not spherical enough.

A geometry problem over a century old has just found its definitive answer. Mathematicians have confirmed that the solution ...

Then the judge writes 12 under edges, and the corners of the cube are highlighted next and 8 recorded under vertices. NARRATOR: Edges - that's twelve. Right, what about corners, or vertices - that ...