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Weird water: Discovery challenges long-held beliefs about water's special properties
Date:1/18/2008

d the distance at which they actually collide like billiard balls. Their particles could be made of anything -- plastic beads, for example -- and so long as the ratio between these two distances was correct (7:4), then they would display many of the same characteristics as water.

This model is so simple it is almost a caricature, Debenedetti said. And yet it has these very special properties. To show that you can have oil-water repulsion without hydrogen bonds is quite interesting.

Debenedetti noted that their particles differ from water in key aspects. When it freezes, for example, the crystals do not look anything like ice. For that reason, the research should not be viewed as leading toward a water substitute.

As a next step, Debenedetti said he would like to see if experimentalists could create particles that have the same simple specifications as their model and see if their behavior matches the computer simulation.


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Contact: Steven Schultz
sschultz@princeton.edu
609-258-3617
Princeton University, Engineering School
Source:Eurekalert

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