Singing Sand Dunes Around the World


	Singing Sand Dunes Around the World

AndreaJoRush

10-10-2007 5:29 PM

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tags:

science, geology, music, sand dunes

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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/ef1fc5b0-8fd5-49c3-8b3a-bb26c1afcd62/96131B99-E8AD-4F93-98E3-37503A7F8AEB/" 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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin" href="http://www.nytimes.com/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin" 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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin"><NYT_HEADLINE _moz-userdefined="" type=" " version="1.0">
Secrets of the Singing Sand Dunes
</NYT_HEADLINE></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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.nytimes.com/img/AB0D405B-791C-4589-9CC7-0A678FEC1B6F" 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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.nytimes.com/img/1DCCDC4D-1370-462F-A8E8-D485F853B121" alt="Video: Singing Sand" /></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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin">The dunes at Sand Mountain in Nevada sing a note of low C, two octaves below middle C. In the desert of Mar de Dunas in Chile, the dunes sing slightly higher, an F, while the sands of Ghord Lahmar in Morocco are higher yet, a G sharp.</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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin">At Sand Mountain, for example, dunes can sing slightly different notes at different times, from B to C sharp.</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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.nytimes.com/img/8C79AA58-1332-40D8-9724-7CF735C2063B" 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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin">The outer layer of the dune vibrates like the cone of a loudspeaker. The particular note depends primarily on the size of the grains.</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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin">no dune was required at all. The scientists shipped sand from a Moroccan desert to a Paris laboratory and reproduced the singing by pushing the sand around with a metal blade.</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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin">It’s not at all like any other instrument we know</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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin">The most beautiful dune tune comes from the sands of Oman.</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/2006/07/25/science/25find.html?_r=1&8dpc&oref=slogin">The least musical bits of silicon were those from China, which hardly sang at all.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/96131B99-E8AD-4F93-98E3-37503A7F8AEB/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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