Reverse Engineering a Nanotechnology Toy:

Atomic Force Microscope image of superhydrophobic surface of 'Nanodrop' toy, available at Thinkgeek.com. Droplets of water are placed on the superhydrophobic surface of a maze, forming liquid balls which can move freely without wetting the surface. Image provided by Wei Zhao, from the laboratory of Professor Chad Korach, Department of Mechanical Engineering, Stony Brook University.