Tag: Sagan Dodecahedron

Dodecahedron Model of PG(2,5)

Recent posts tagged Sagan Dodecahedron  mention an association between that Platonic solid and the 5×5 grid. That grid, when extended by the six points on a "line at infinity,"…

Tyson's Cosmos

Related material:  See also Cosmos + Sagan in this journal.

Design

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More-Nuanced Realities

This evening's NY Times  wire: Mabee reportedly died on December 18, 2014. The cover of Harvard Design Magazine , Spring/Summer 2014: See also Sigla (Dec. 22, 2014): "Everyword for…

Stoicheia*

See also Derrida + Serpent in this journal. * See Stoicheia (Elements) in this journal.

Colorful Tale

Wikipedia on a tale about one Hippasus of Metapontum, who supposedly was drowned by Pythagoreans for his discovery of irrational numbers and/or of the dodecahedron — "In the hands…

Platonic Analogy

(Five by Five continued) As the 3×3 grid underlies the order-3 finite projective plane, whose 13 points may be modeled by the 13 symmetry axes of the cube, so the 5×5…

Five by Five

You are here > Home > Mystery > Contact (1997) > Five by Five "This is Control. Do you copy?" "Reading you five by five…"