[Discover] 3D Puzzles http://www.3dpuzzles.nl/engmainmenu.htm
(puzzles puzzle math geometry) 
[Discover] Wholemovement - The Work of Bradford Hansen-Smith http://www.wholemovement.com/ (mathematics paper folding art)
[Discover] Puzzle will be played... http://www.asahi-net.or.jp/~rh5k-isn/Puzzle/ (puzzles form geometry cubes)
[Discover] Ivaldi -Asymptote- http://piprim.tuxfamily.org/asymptote/ (math latex opensource graphics)
[Discover] Roger Penrose - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Roger_penrose (wikipedia math physics people)
[Discover] Wholemovement - The Work of Bradford Hansen-Smith http://www.wholemovement.com/ (mathematics paper folding art)
[Discover] Puzzle will be played... http://www.asahi-net.or.jp/~rh5k-isn/Puzzle/ (puzzles form geometry cubes)
[Discover] Ivaldi -Asymptote- http://piprim.tuxfamily.org/asymptote/ (math latex opensource graphics)
[Discover] Roger Penrose - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Roger_penrose (wikipedia math physics people)