[EMS Discuss] Solar Foundry

Mark Danburg-Wyld danburgwyld at gmail.com
Sat Feb 1 10:20:24 PST 2014

Now all I need is some unfiltered sunlight...
On Jan 25, 2014 11:37 PM, "Scott" <sceptic4life at gmail.com> wrote:

> > The frosting might not affect infra red as much as visible range.
> > Sent from my iPhone
> On Jan 25, 2014, at 10:20 AM, Bob Miller <kbob at jogger-egg.com> wrote:
> > A 52" irregular plastic box?  We can hold a puppet show!
> >
> > If the frosting is on the opposite side from the Fresnel grating, you
> might be able to buff out the frosting with Novus #2 polish.  I have a
> bottle if you want to try.  If you know what kind of plastic it is, you can
> also clean it and wet it with [solvent] to melt and re-flow the surface.
>  The second approach is easier but more likely to destroy the lens if it
> doesn't work.
> >
> > Also, be sure to try passing light through in both dimensions.  The
> interaction of the grating with the frosting may work differently in one
> direction than the other.
> >
> >
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