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  • Title: Colloid science: non-spherical bubbles.
    Author: Subramaniam AB, Abkarian M, Mahadevan L, Stone HA.
    Journal: Nature; 2005 Dec 15; 438(7070):930. PubMed ID: 16355208.
    Abstract:
    Surface tension gives gas bubbles their perfect spherical shape by minimizing the surface area for a given volume. Here we show that gas bubbles and liquid drops can exist in stable, non-spherical shapes if the surface is covered, or 'armoured', with a close-packed monolayer of particles. When two spherical armoured bubbles are fused, jamming of the particles on the interface supports the unequal stresses that are necessary to stabilize a non-spherical shape.
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