Researchers have found two distinct mechanisms by which foams collapse, yielding insight into the prevention/acceleration of foam rupture. When a bubble breaks, they found that a collapse event propagates via impact with the receding film and tiny scattered droplets breaking other bubbles.

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Researchers have found two distinct mechanisms by which foams collapse, yielding insight into the prevention/acceleration of foam rupture. When a bubble breaks, they found that a collapse event propagates via impact with the receding film and tiny scattered droplets breaking other bubbles.