The table above shows the materials used in experimental procedures. Note that the darker colored label represents a natural surface and the lighter color represents and artificial simulation. For example, A, is the natural surface, and B is the corresponding artificial simulation. For details on the simulation, see Modeling a Leaf Surface.

 

Other materials and apparatus used in this experiment include the following: ramp, spray bottles, water, clicker, timer, gram precision scale, ruler, various leaves, various artificial surfaces, dissecting microscope, electron microscope, camera