"scott" <sco### [at] scottcom> wrote:
> >  Ok, maybe it's just different here (and basically everywhere else I have
> > been), or they are really good at making it *look* like the cables are
> > covered in black rubber. I certainly was fooled.
> >
> >  Do they paint them like that?
>
> It's just the dull grey of aluminium oxide you are seeing on the outer
> surface.  If you looked close and polished them a bit you'd see nice shiny
> aluminium :-)

I think if you look at anything against a bright sky it will look matte black,
even if it's mirror-polished.

And isn't alumina pretty much transparent at the thicknesses it's likely to
reach in ambient conditions?

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