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Watch supercooled water freeze

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Published on Apr 22, 2010

Recent experiments as the ESRF have provided an experimental explanation for the supercooled phase of water. This topic matters as it explains, for example, why water does not freeze in clouds, although being well below zero degrees Celsius.

This video clip illustrates supercooling with a simple experiment where water in a plastic bottle has been supercooled in a freezer. However, the water did not turn into ice because the inside of the bottle did not exhibit any ruggedness where crystals could form.

Shaking the bottle triggers ice crystal formation, and turns thel water in the bottle into ice within seconds.

More information on the experiments at the ESRF is on http://www.esrf.eu/news/general/super...

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