A series of photos showing how a sample of blue-dyed water freezes (IMAGE)
Caption
A series of photos showing how a sample of blue-dyed water freezes, losing its blue colour, over a time period of 42 minutes. After 34 minutes, clear ice completely surrounds a still-liquid, blue pocket of water. When this pocket of water freezes a few minutes later, it generates enough outward pressure to crack the glass container. Credit: Menno Demmenie (UvA).
Credit
Menno Demmenie (UvA).
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