In article <_Musc.44871$Md.32048@lakeread05>, "Dsorgnzd" >
wrote:

> "no useful info" > wrote in message
> ...
> > we've recently acquired one and have no real complaints except...
> >
> > it uses the powercup concentrators much faster than stated. I've cut a
> > used one up and it looks like nothing more that thick paper/thin
> > cardboard.
> >
> > Any ideas what it really might be and if there is an acceptable (free)
> > substitute available.
>
> A brief, nonscientific examination showed that (1) a metal detector gives a
> faint, but positive response to the powercup (a postage-stamp-size piece of
> aluminum foil gives as strong a signal at 10" from the coil as the power cup
> gives at one inch), and (2) putting a powercup, by itself, in a microwave
> oven for 5 seconds definitely causes it to get hot. So apparently there is
> some metal content, but not much.
>
>

definately would make it hard to see. I should have tried the direct
approach. thanks