## Figure 10.
Coexistence of two superhydrophobic modes. With feeble hydrophobicity (cos
θ_{c} < cosθ < 0), the apparent contact angle is theoretically given by the relation of Wenzel
while for strong hydrophobicity (cosθ < cosθ_{c}), the apparent contact angle follows the relation of Cassie–Baxter. However, in practice,
an average hydrophobicity generally involves a metastable configuration of Cassie–Baxter
(dotted lines)
Verplanck |