In a message dated 6/20/2006 10:29:37 A.M. Central Daylight Time,  
[EMAIL PROTECTED] writes:

>centrifugal force can destroy the CD.
Works for mainframe disks too.  Original technology was spray glue  onto 
aluminum, then spray fine particles of magnetizable substance (e.g., iron  
oxide, 
aka "rust") onto the glue.  Glue force has to be stronger than  centrifugal, 
else the bytes creep towards outer edge of platter.  That  was how they were 
made long ago, not sure about now.
 
Bill  Fairchild




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