Math Photo: Spiky Symmetry
These cacti caught my. I can see both a dodecagon and a star in the 12-fold symmetry of the cactus in front. And to my surprise, the cactus behind it has thirteen sections!
I wonder about the range, and deviation, of the number of sections of these cacti. And what are the biological principles that govern these mathematical characteristics?
1 Comment
Sheila Krilov · November 11, 2017 at 4:21 pm
13 is a Fibonacci number and those Fibonacci numbers keep appearing in nature. I’m more surprised by the 12.