CIRCLE WITH A DOT

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robinhouston@mathstodon.xyz

@robinhouston@mathstodon.xyz

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TIL. In April 1974, in the middle of the night, a small group of conspirators secretly installed a large tensegrity icosahedron made from discarded telephone poles on the campus of Twente University in the Netherlands.
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@robinhouston Cool, I know that thing, first saw it 19 years ago, and have recently seen it again - never knew it was prank though!
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An unusual polyhedron whose dihedral angles are all right angles.
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You can fill space with this shape, its mirror image, and some small cubes.
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“In this paper we present work on enumerating all the incomplete open platonic solids, finding 6 tetrahedra, 122 cubes (just like LeWitt), 185 octahedra, 2,423,206 dodecahedra and 16,096,166 icosahedra.”
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@robinhouston death *to the blasphemers of the sacred path rocks!* the toot does not endorse the death of any non rhetorical beings.

CIRCLE WITH A DOT

robinhouston@mathstodon.xyz

Topics

TIL. In April 1974, in the middle of the night, a small group of conspirators secretly installed a large tensegrity icosahedron made from discarded telephone poles on the campus of Twente University in the Netherlands.

An unusual polyhedron whose dihedral angles are all right angles.

“In this paper we present work on enumerating all the incomplete open platonic solids, finding 6 tetrahedra, 122 cubes (just like LeWitt), 185 octahedra, 2,423,206 dodecahedra and 16,096,166 icosahedra.”