(ORDO NEWS) — Flash freezing is due to the fact that the water in the bottle is supercooled – the temperature is below its normal freezing point, but the water has not yet turned into a solid (ice).
Despite being supercooled, water is still liquid because it needs something to trigger the freezing process, causing the molecules to come together in a “crystalline order” to form a solid.
This process is called nucleation because it causes the liquid molecules to form a crystalline core to which all other molecules will attach.
For example, a speck of dust, a roughness on the inner wall of the bottle, or a shock wave that occurs when you shake (even slightly) the bottle that you take out of the freezer can trigger nucleation.
Thus, in itself, the temperature below zero degrees Celsius, in fact, does not determine the state of aggregation of water.
The process of nucleation is responsible for the transformation of water into ice, the implementation of which is possible under certain temperature conditions.
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