Thanks for the link. It really doesn't get into the technical differences other than -R is slightly more compatible than +R. And that -R holds slightly more data. But that +R is the only Dual layered technology so far. I wonder if it something like a -R disc is actually full and the laser creates holes (ie: subtracts space) to make 1s & 0s. Whereas a +R disc is completely empty and uses the laser to make bubbles (ie adds space) that read as 1s & 0s. Which means a -/+R DVD writer can both make and subtract space. Which is probably why RW writers are almost always -/+RW. I'm probably way off on this theory.

<strong>bandolin</strong><br />
[Former 3DS Max forum coordinator]<br />
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