Crystal clear? think again

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	Crystal clear? think again

balthazarus

7-29-2008 4:44 AM

399 views

tags:

glass, chemistry

balthazarus says:

"of fast-moving and slow-moving regions in a solidifying glass were seen in experiments, and computer simulations predicted that this pattern, called dynamical heterogeneity, should exist."

interesting stuff..
what amazes me, is as one zooms in (and out

new levels of complexity that were not seen before, are discovered.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/1961587d-82c5-4f46-b1d3-d4a2ff25d044/5EF3225B-BD6C-459D-88A6-7B1EF696E5C6/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.nytimes.com/2008/07/29/science/29glass.html?pagewanted=1&_r=1" href="http://www.nytimes.com/2008/07/29/science/29glass.html?pagewanted=1&_r=1" style="font-size: 11px;">www.nytimes.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/07/29/science/29glass.html?pagewanted=1&_r=1"><H1><NYT_HEADLINE type=" " version="1.0"></NYT_HEADLINE>The Nature of Glass Remains Anything but Clear </NYT_HEADLINE><//NYT_HEADLINE></H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/07/29/science/29glass.html?pagewanted=1&_r=1"><P>Philip W. Anderson, a <A title="More articles about Nobel Prizes." href="http://topics.nytimes.com/top/news/science/topics/nobel_prizes/index.html?inline=nyt-classifier">Nobel Prize</A>-winning physicist at Princeton, wrote in 1995: “The deepest and most interesting unsolved problem in solid state theory is probably the theory of the nature of glass and the glass transition.”</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/07/29/science/29glass.html?pagewanted=1&_r=1"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.nytimes.com/img/DFD73F42-E371-4CA8-B14D-D4A06A4C20E4" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/07/29/science/29glass.html?pagewanted=1&_r=1"><P>Thirteen years later, scientists still disagree, with some vehemence, about the nature of glass. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/07/29/science/29glass.html?pagewanted=1&_r=1"><P>For scientists, glass is not just the glass of windows and jars, made of silica, sodium carbonate and <A title="In-depth reference and news articles about Serum calcium." href="http://health.nytimes.com/health/guides/test/serum-calcium/overview.html?inline=nyt-classifier">calcium</A> oxide. 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