“Big whirls have little whirls,That feed on their velocity;And little whirls have lesser whirls,And so on to viscosity.”

Lewis Fry Richardson

“Big fleas have little fleas upon their backs to bite them, and little fleas have lesser fleas, and so ad infinitum”

Jonathon Swift

Love that self-similarity in nature!

NATURE’S STARTLING CLUE — CONFORMAL SYMMETRY