Figure 1

Close-up of a lotus leaf, an example of a super-hydrophobic plant. The roughness of the leaf surface results from the coexistence of micron-sized bumps and nanoscale hair-like structures. (Image credit: W Barthlott)

Close-up of a lotus leaf, an example of a super-hydrophobic plant. The roughness of the leaf surface results from the coexistence of micron-sized bumps and nanoscale hair-like structures. (Image credit: W Barthlott)