Ralph Smeets wrote:
> 
> Than I must have been wrong.... I always thoughed MD used MO technology and
> that CD-RW used some sort of other technology that doesn't require a
> magnetic field during writing.....

Correct, there is no magnetic head riding above the disc with CD-RW. 
That's why CD-RW doesn't require a cartridge like MO does.  The magnetic
head actually slides across the top surface of the MD which has a
silicone lubricant on it.

-- 
Shawn Lin
http://www2.cybercities.com/g/gmwbodycars/
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