Elsa de la Calleja
Sandra Zetina
Roberto Zenit
Universidad Nacional Autonoma de Mexico
Image by R. Zenit, UNAM, Mexico
This image shows the result of a density difference hydrodynamic instability. White paint is poured over a layer of black paint. Because of the density difference, the fluids mix. The process is inspired by a painting technique invented by D.A. Siqueiros.
This image may be used for educational purposes only. Please credit: R. Zenit /UNAM