Sailing stones, also called sliding or moving rocks is a geological phenomenon where rocks tend to move and leave long tracks into a valley surfaces like deserts without human or animal intervention.
The good folks at the Delft University of Technology came up with a dragonfly-like winged machine that can fly completely autonomously until the batteries allow.
An awesome tutorial suitable for Photoshop beginners and intermediates where we create a cool looking gas planet from scratch, by applying a couple of rendering functions and a few tricks.
