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[Discover] Wholemovement - The Work of Bradford Hansen-Smith http://www.wholemovement.com/ (mathematics paper folding art)
[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] Puzzle-Shop http://www.puzzle-shop.de/index.html (cube toys rubics form)
