> Notably, a sphere is non-Rupert (but a soccer ball is not ... A soccer ball is...

		thaumasiotes 24 days ago \| parent \| context \| favorite \| on: First convex polyhedron found that can't pass thro... > Notably, a sphere is non-Rupert (but a soccer ball is not ... A soccer ball is a sphere. It has decorative polygons projected onto its spherical surface, but having a color scheme doesn't stop it from being a sphere.