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Researchers at the University of Arkansas have identified that water, when chilled to a very low temperature, transforms into a new form of liquid.
Through a simulation performed in “supercooled” water, a research team led by chemist Feng “Seymour” Wang, confirmed a “liquid-liquid” phase transition at 207 Kelvins, or 87 degrees below zero on the Fahrenheit scale.
“On a miscrosecond time scale, the water did not actually form ice but it transformed into a new form of liquid,” Wang said.
Our study shows water will expand at a very low temperature even without forming ice.
Water ...can also be "supercooled" at standard pressure down to its crystal homogeneous nucleation...The process of supercooling requires that water be pure and free of nucleation sites... If water is cooled at a rate on the order of 106 K/s, the crystal nucleation can be avoided and water becomes a glass.
Originally posted by Sandalphon
Heard about it. It's a microsecond of change. The audacity of scientists to say that water ever stopped being water when it was cold. It's still water just in a different phase. So it's more about finding a new phase. Do other liquids go weird at that phase? Like mercury? Or, something that isn't water?
Wikipedia: Supercooling
Water ...can also be "supercooled" at standard pressure down to its crystal homogeneous nucleation...The process of supercooling requires that water be pure and free of nucleation sites... If water is cooled at a rate on the order of 106 K/s, the crystal nucleation can be avoided and water becomes a glass.
I can't wait for the spintronics science that makes permanent supercooled water-glass at room temperature.
Sort of puts a spin on having a glass of water huh?edit on 15-7-2013 by Sandalphon because: freeze!