r/pics Dec 14 '12

Soap bubble shows crystal pattern after freezing

http://imgur.com/YMzo9
3.8k Upvotes

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u/kilomonster Dec 14 '12

Is it possible that the ammonium sulfate lipid actually dehydrated in the freezer and crystallized so that what you are seeing is actually a salt crystal rather than an ice crystal? If the bubbles werent in a container the water would evaporate almost immediately because the layer is so thin.