Scientists developed new ice form with similar density to liquid water

A collaborative team of scientists from the University of Cambridge and University College London discovered a new type of ice that resembles water more than any other. This type of ice may be vital to understanding the most well-known liquids, according to anUnlike ordinary crystalline ice, the new form is amorphous, in which the molecules are disorganized, like in liquid.

with a density comparable to liquid water and a condition that resembled water in solid form, unlike all other known ice. Their novel ice was given the term medium-density amorphous ice . “Our discovery of MDA raises many questions on the very nature of liquid water, and so understanding MDA’s precise atomic structure is very important,” said co-author Dr. Michael Davies, who carried out the computational modeling. “We found remarkable similarities between MDA and liquid water.”. Amorphous ice has historically been divided into two primary categories: high-density and low-density ice.

“The accepted wisdom has been that no ice exists within that density gap. Our study shows that the density of MDA is precisely within this density gap, and this finding may have far-reaching consequences for our understanding of liquid water and its many anomalies,” senior author Prof. Christoph Salzmann.Besides, MDA exhibits a stunning quality unique from other types of ice. They discovered via calorimetry that MDA releases a remarkable amount of heat as it recrystallizes to common ice.

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