On Sat, 23 Mar 2013, Jerome H. Fine wrote:
Since a DVD drive can read both a CD and a DVD (as
well
as, for many drives, but not all) burn both a CD and a DVD,
the media can't be that different. However, since my DVD
drive is able to distinguish between a DVD blank and a CD
blank, I assume that the media must be somewhat different.
Is there some info pre-recorded?