Re: Re: Ultraviolet / Halogen Lites

> From: Mark Fraser <mfraser@...>
>
>
> The statement is true. It is also true that a single pane
> of glass (except quartz, of course) will block virtually all
> UV.
> What is little known is that virtually *any* sunglasses will
> do the same - one doesn't have to spend hundreds in a knee
> jerk paranoid response to trendy ads.

Most sunglasses aren't glass. I would guess that not all dark looking
plastics block UV.

Chris

--
Christopher C. Stratton, stratton@...
Instrument Maker, Horn Player & Engineer
30 Griswold Street, Cambridge, MA 02138
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