The Art of John Edmark | Talk by Paul Dancstep | Exploratorium

What do plants know about numbers? A certain spiral pattern commonly seen in sunflowers, pinecones, and many species of cacti contains some surprising numerical properties. In this brisk talk, Paul Dancstep investigates this pattern through several kinetic sculptures by artist John Edmark. These mesmerizing artworks provide a number of insights into the mathematical lives of plants.