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From: "Scott Landon" <js_landon@ho*.co*>
To: armantrout@mc*.co*, joeldm@mi*.co*, trey@ne*.co*,
     rose@cs*.sc*.ed*
Cc: js_landon@ho*.co*, cavers@cavers.com
Subject: RE: HID physics was Re: another stupid question..LOL
Date: Mon, 08 May 2000 16:15:50 PDT
trout,

and you expected more from the left of the left.


>From: Jess Armantrout <armantrout@mc*.co*>
>To: Joel Markwell <joeldm@mi*.co*>, trey@ne*.co*, "John R. Rose" 
><rose@cs*.sc*.ed*>
>CC: Scott Landon <js_landon@ho*.co*>, cavers@cavers.com
>Subject: RE: HID physics was Re: another stupid question..LOL
>Date: Mon, 08 May 2000 17:24:54 -0500
>
>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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