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"Kreise, Kugeln, Zufälle: Überall spukt pi herum," ("Circles,balls, coincidences: pi is lurking everywhere"), by AlbrechtBeutelspacher. Frankfurter Allgemeine Sonntagszeitung, 20 January 2002,pages 64-65.
This article, which runs over a two-page spread, describes how pi arises inmany different contexts, from sphere packing to Monte Carlo simulation methodsto the Buffon Needle Trick.
--- Allyn Jackson