Berkeley CSUA MOTD:Entry 10114
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2024/12/25 [General] UID:1000 Activity:popular
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2003/9/8-9 [Uncategorized] UID:10114 Activity:nil
9/8     To the person looking for paper density, did you figure out a number?
        I just measured two stacks of blank paper.  One stack is 75gsm (gram /
        sq. meter) and is 4.9cm thick.  The other is 105gsm and is 6.0cm
        thick.  -- guy with http://Amazon.com idea who thought that was smart
        \_ don't you want grams per cubic meter?
           \_ Oops, I forgot to mention that both stacks are 500 sheets.
        \_ So with your number we've determined the density of paper varies
           greatly and there's no one easy answer.
        \_ Your idea was indeed clever but I was lazy.  So I found on the web
           both the weight and the size of some books, which I didn't think
           was possible  The funny thing is that there are patently different
           answers for the same book(ISBN), so it has to be taken with a grain
           of salt.  With that in mind, I found a density of 0.8 kg/dm^3
           over a sample of 3 books.  Note that paper's weight varies greatly.
           If you ever buy dissertation paper or stared at the paper stack
           in a copy room for 5 secs you would know.  However, paper density
           of books of similar quality should be relatively uniform.
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