Top view of the heating surface (interlaced wettability) during the heating process. Wall temperatures are 85°C, 90°C, 100°C, and 110°C from the right to the left side of the image. Bubbles gathered in the lower surface (plain) regions in these cases.
Hsu et al. Nanoscale Research Letters 2012 7:259 doi:10.1186/1556-276X-7-259