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. 2018 Sep 11;9:3546. doi: 10.1038/s41467-018-05949-0

Fig. 5.

Fig. 5

Bubble formation of a liquid film buckled via a rigid ring. Snapshots showing that bubble formation can be triggered by dragging a ring of metal wire constantly around the edge of the film (SDS drops at CMC), which completely limited the radial oscillation of the levitated sample. Scale bars represent 1 mm