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Keywords:

  • fatty acids;
  • foams;
  • microstructures;
  • self-assembly;
  • surface chemistry
Thumbnail image of graphical abstract

Superstable foams that contain air bubbles stabilized by modified, rigid CaCO3 rods are reported by W. Liu, S. Stoyanov, and co-workers in their Communication on page 378 ff. The very high stability and stiffness of the rod-stabilized bubbles means that their spherical shape is retained when dried on glass substrates. Despite the massive difference in length, the surface pattern of a 120 micrometer bubble with 25 micrometer rods is similar to that of 10 meter logs on a river surface.