microscopic patterns (spatial period ~ 20 - 200 micrometer)

A typical evolution of flowers	The direction of circulations
Variations of flower	Labyrinth and islands
Miscellaneous smoke ring, worms etc.	Oscillation of one blob
Bands around bubbles	turned off the voltage

background: DC 2.6V, AC 0.1V 1Hz, 3.0 micron silica, H=200 micron, 20X objective