Scientists have proven that water has several liquid states with different densities
In the course of complex experiments, a group of researchers confirmed the hypothesis that at low temperatures water can be in two liquid states with different properties.
Science has long known about a number of abnormal reactions of water to changes in physical factors, which can differ significantly from other liquids. Some of these features may be important for practical applications, but for a long time researchers could not accurately explain them due to the complexity of conducting experiments.
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After 30 years, scientists from the City University of New York and Stockholm University still managed to confirm the controversial hypothesis. They proved that in addition to the liquid state we are accustomed to under normal conditions, at about -63 ° C, water can have the same form, but in two versions: a liquid with a low density at low pressure and a liquid with high density at high pressure.
The researchers note that their properties differ significantly, and the density differences are 20%. According to the results of computer simulations, they can even exist simultaneously as two immiscible liquids with a clear separation line, like water and oil.
According to scientists, this discovery raised a number of new questions about how each of the two options can affect the biological environment and interaction with various substances.
Physicists have recently made another important scientific discovery. Last month, they achieved room temperature superconductivity for the first time.