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<p><a href="page.php?w=reverse_osmosis">reverse osmosis</a> or <a href="page.php?w=chemical_demineralization">chemical demineralization</a>, but the cooling itself does not require any specialised technique. If water is cooled at a rate on the order of 10<sup>6</sup>&nbsp;K/s, the crystal nucleation can be avoided and water becomes a <a href="page.php?w=Glass">glass</a>--that is, an amorphous (non-crystalline) solid. Its <a href="page.php?w=glass_transition_temperature">glass transition temperature</a> is much colder and harder to determine, but</p><p>
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