Figure 4: Direct nanoscale imaging of water-solid interfaces.

From: Sustaining dry surfaces under water

Figure 4: Direct nanoscale imaging of water-solid interfaces.
Figure 4

Left: Wetted surface with 25 μm pillar spacing. Middle: Wetted surface with 5 μm pillar spacing. Right: Dry surface with sub-micron pillar spacing. Abbreviations: Frozen water (H2O), Silicon substrate (Si).