Self-assembly of magnetic droplets on a superhydrophobic surface

Switchable Static and Dynamic Self-Assembly of Magnetic Droplets on Superhydrophobic Surfaces

1. Jaakko V. I. Timonen, 
2. Mika Latikka, 
3. Ludwik Leibler, 
4. Robin H. A. Ras, 
5. Olli Ikkala

http://www.sciencemag.org/content/341/6143/253.full

http://motherboard.vice.com/blog/these-high-speed-snapshots-of-water-droplets-are-natures-kaleidoscope