Friday math movie: Spirals, Fibonacci, and Being a Plant
Vi Hart is at it again. In this Doodling in Math video we find out about different kinds of spirals and how Fibonacci numbers can be observed in pine cones, pineapples and artichokes.
This is part 1 of 3 videos on this topic.
As a follow up, blogger MathHombre constructed a GeoGebra file where you can explore the concept of logarithmic spirals. (It takes forever to load, but worth waiting. Move the sliders or click the tiny right arrow at the bottom left of the file to run the animation.)
Logarithmic Spirals in GeoGebra
See also my article on Golden Spirals, a special case of Logarithmic Spirals.
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23 Jan 2012 at 9:06 am [Comment permalink]
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