Ed Pegg Jr., December 18, 2006
A recent column by Ivars Petersen, Quark Park, showed various pictures of a 4-dimensional sculpture by Marc Pelletier. This sculpture, a 120-cell, was dedicated to mathematician John Conway. Below is a photo from the event. The 120-cell is to the dodecahedron as a tesseract (MathWorld, Wikipedia, Cut the Knot, ... more »