How water gets its exceptional properties

Water is liquid at room temperature – astounding for such a small molecule. Insights into the causes are provided by a new simulation method, which has its origins in brain research. Using artificial neural networks, researchers in Bochum and Vienna have examined the atomic interactions of water molecules. Based on their findings, they explain the melting temperature of ice and the density maximum at four degrees Celsius – based solely on computer simulations. The newly developed method is just as precise as quantum mechanical calculations, but is 100.000 times faster.

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