Joel,
You get so caught up in semantics that it is impossible for you to learn.
That is the definition of a stroke.
Trout

> -----Original Message-----
> From: Joel Markwell [mailto:joeldm@mi*.co*]
> Sent: Monday, May 08, 2000 6:25 PM
> To: trey@ne*.co*; John R. Rose
> Cc: Jess Armantrout; Scott Landon; cavers@cavers.com
> Subject: Re: HID physics was Re: another stupid question..LOL
>
>
> on 5/8/00 5:17 PM, Trey at trey@ne*.co* wrote:
>
> > Joel, these things just have a higher frequency, shorter wavelenth so
> > they penetrate further through water, as could be expected from any
> > light at that end of the spectrum.  The result is that you can "see"
> > further in its beam, and the particulate does not backscatter so badly
> > as with lower frequencies and longer wavelengths.
> >
> > As Dr Rose and the Trout suggest, this is why we use them in Leon Sinks
> > and Weenikulla.
> >
> > HID is basicly ultra violet.
>
> Trey,
>
> And as I was asking Trout et al, the point is not that they will allow one
> to see in zero-vis conditions, as has been suggested, but that
> they improve
> vis in low-vis conditions beyond that of a normal lighting system. Would
> that be accurate?
>
> Later,
>
> JoeL
>
>

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