http://en.wikipedia.org/wiki/Impossible_geometry
http://en.wikipedia.org/wiki/Necker_cube
http://en.wikipedia.org/wiki/List_of_regular_polytopes
http://www.josleys.com/show_gallery.php?galid=232
Wednesday, May 18, 2011
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment