Doodling in Math Class: Spirals, Fibonacci, and Being a Plant [2 of 3]

2012-01-09

[public] 1.84M views, 28.1K likes, 208 dislikes audio only

Here is a program that draws plant leaves at whatever angle you want: http://www.khanacademy.org/cs/plant-leaves/822940457

Note: Beautiful spirally non-Fibonacci pinecones are very rare! If you find one, keep it.

My personal website, which you might like: http://vihart.com