58 lines
2.6 KiB
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58 lines
2.6 KiB
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From fork-admin@xent.com Tue Sep 24 23:55:17 2002
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Subject: Random hack Q: drawing on CDs with lasers?
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From: Rohit Khare <khare@alumni.caltech.edu>
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To: fork@spamassassin.taint.org
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Date: Tue, 24 Sep 2002 15:47:23 -0700
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O utensils of the world --
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I wonder if it is possible to reverse-engineer the Reed-Solomon
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error-correcting codes to create a bytestream such that, when burned
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onto a CD, you can make out a picture in the diffraction pattern?
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I suppose this is a modern equivalent to line-printer artwork; I was
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imagining using a CD-RW drive to use the outer track, say, to spell out
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the disc title, creation time, etc. It would sure beat feeding CDs
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through a laser printer :-)
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Rohit
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