Glass gives up secrets under pressure

Glass is a mysterious material, but when researchers apply pressure, it reveals secrets.
Using a variety of techniques, researchers at Argonne National Laboratory saw for the first time ever, the atomic structure of a dense, purely octahedral glass that has eluded scientists for decades. They also witnessed a continuous structural change in the glass, disproving the theory that tetrahedral glasses go through a distinct transition between low- and high-density phases.

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<p><a href="http://www.physorg.com/news2333.html">Glass gives up secrets under pressure</a></p> <p> Glass is a mysterious material, but when researchers apply pressure, it reveals secrets. <br>Using a variety of techniques, researchers at Argonne National Laboratory saw for the first time ever, the atomic structure of a dense, purely octahedral glass that has eluded scientists for decades. They also witnessed a continuous structural change in the glass, disproving the theory that tetrahedral glasses go through a distinct transition between low- and high-density phases. </p>