A View from Emerging Technology from the arXiv
Forget Bubbles: Free-Flying Soap Sheets Created For the First Time
Fluid dynamicists have developed a technique for creating flat, unsupported sheets of soap film
Put your finger through a thin soap film and it’ll pop out of existence in the blink of an eye. Physicists have recorded exactly how this behaviour occurs using high-speed cameras to see how the soap film retracts when it is punctured.
How far can this technique be pushed? Is it possible, for example, to release one edge of a flat soap film and record how it retracts?
The conventional view is that this kind of experiment is impractical because edge effects make a perfectly straight rupture impossible.
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