Darren New <dne### [at] sanrrcom> wrote:
> At least, that's the naive layman understanding I use to sound like I know 
> what I'm talking about in newsgroups. ;-)

  Of course it gets more complicated when you consider that some materials
let visible light through (such as glass) while other materials don't, even
though their density might be the same.

-- 
                                                          - Warp

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