File:Sonnenblume fibonacci89 144.jpg

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Reife Sonnenblume mit 89 und 144 Spiralen. 89 und 144 sind Fibonacci-Zahlen. Sunflower with 89 and 144 helices. 89 an 144 are Fibonacci numbers. Fotograf: Josef Gräf, Gießen Die Sonnenblume war im Herbst 2001 vom Fotografen gepflückt und anschließend mehrere Wochen lang getrocknet worden. Danach wurde die Rückseite der Sonnenblume zur Stabilisierung mit Kunstharz ausgegossen. Schließlich wurden die Kerne der 1ten, 11ten,...,81ten Spirale schwarz markiert. Fünf Jahre später (8.7.2006) wurde die Sonnenblume mit einer Canon 350D fotografiert und in das Digitalbild die gelben und roten Zahlen bzw. Markierungen

mit Paint Shop Pro 6 eingefügt.
Date 9 July 2006 (original upload date)
Source No machine-readable source provided. Own work assumed (based on copyright claims).
Author No machine-readable author provided. Igambris assumed (based on copyright claims).

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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Helianthus

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current10:30, 9 July 2006Thumbnail for version as of 10:30, 9 July 20062,496 × 2,156 (1.05 MB)Igambris (talk | contribs)Reife Sonnenblume mit 89 und 144 Spiralen. 89 und 144 sind Fibonacci-Zahlen. Sunflower with 89 and 144 helices. 89 an 144 are finonacci numbers. Fotograf: Josef Gräf, Gießen Die Sonnenblume war im Herbst 2001 vom Fotografen gepflückt und anschließe

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