What Happens When Water is Dropped Onto Water-Repelling Carbon Nanotubes?

Even though not all of you will understand what "superhydrophobic carbon nanotubes" actually are, everyone will appreciate this video of water droplets shot at varying frame-rate speeds of up to 3,500fps. Except for Martians, perhaps.


Several water droplets were filmed in super slo-mo, as they dropped onto a "superhydrophobic" (massively water-repelling) arrangement of carbon nanotube molecules, which as you know are used in all sorts of materials, including nanotechnology. The water droplets were released at different impact velocities, showing how they react to the surfaces—either by splitting, bouncing, rolling about or even merging together in a big ol' lovefest of H2O. [Thoughtware via Reddit]


Finally I understand how one particular scene in Frank Herbert's Dune could have happened. The Fremen had reclaimed the water of a dead comrade and in a ceremony they poured it into one of their giant underground vats. The thing that always stuck with me was that 100% of it went in and none was left clinging to the pouring device. Now I know why. Thanks superhydrophobia!