Researchers from Tokyo Metropolitan University have revealed how liquid foams collapse by observing individual collapse events with high-speed video microscopy. They found that cracks in films led to a receding liquid front that sweeps up the original film border, inverts its shape, and releases a droplet, which hits and breaks other films. Their observations and physical model provide key insights into how to make foams more or less resistant to collapse.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/3b4rQag
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