A dense network of foam cells and drainage channels spreads across the curved surface of a soap bubble. As gravity pulls liquid...

Cellular Frontier

A dense network of foam cells and drainage channels spreads across the curved surface of a soap bubble. As gravity pulls liquid downward, the thinning film creates intricate boundaries and textures that resemble aerial views of coastlines, river deltas, or microscopic biological structures. Photo © copyright by Gedaliah Wolosh.