Re: Sound proofing

[Bullwinkle <yd3@nvc.net>]

P.S.

Don't confuse mass with density.  Mass is weight.  Density is how
closely packed the molecules are.  Usually density is proportioal
with mass when considering equal volumes.  A pound of feathers
and a pound of iron have the same weight (mass) but not the same
density or volume.

Blake

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