https://pinboard.in/u:hex/public/ recent bookmarks from hex 2012-02-22T01:33:51+00:00 http://theiff.org/main.html hex art design mathematics geometry models exhibitions lectures puzzles https://pinboard.in/ https://pinboard.in/u:hex/b:b5defd452d33/ 2008-03-12T04:16:08+00:00 http://columbus.gl.iit.edu/ hex books etext history exhibitions art culture photography world Chicago https://pinboard.in/u:hex/b:223bd628e4ad/ 2005-07-06T23:14:09+00:00 http://www.pkdandroid.org/ hexPhilip_K._Dick robotics art exhibitions excellent https://pinboard.in/u:hex/b:d26d12c07caa/