F-Yeah Hecatonicosachorons

smoot: Icosidodecaedro (from Gli studenti di oggi)

‘The Tesseract’: representation of a four-dimensional hypercube, figure 19 from Theosophy and the Fourth Dimension by Alexander Horne (1928)

Bell (Alexander Graham) Tetrahedral Kite Experiments (1907). [photograph]

by Zeneteru

nminusone:

Homology Sphere - Poincaré Dodecahedral Space

(via smoot)

Icosahedron (via nemoi:aldoaldoz)

what-a-trip:

my first icosahedron

I want one!! :)