Mudcat Café message #1345888 The Mudcat Café TM
Thread #76143   Message #1345888
Posted By: Amos
02-Dec-04 - 08:31 PM
Thread Name: BS: Whats the Holes in CD's for then?
Subject: RE: BS: Whats the Holes in CD's for then?
And also the picture on http://stuffo.howstuffworks.com/cd4.htm which shows the cup deal for the center hole. The CD has a variable rate of speed depedning where the reader is on the long spiral groove or series of bumps that makes up the data.

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