Mailing List Archive

Mailing List: cavers

Banner Advert

Message Display

Date: Mon, 08 May 2000 19:19:48 -0700
To: trey@ne*.co*
From: "Kevin Connell" <kevin@nw*.co*>
Subject: Re: HID physics was Re: another stupid question..LOL
Cc: Joel Markwell <joeldm@mi*.co*>, cavers@cavers.com
That's the answer.

At 08:37 PM 5/8/2000 -0400, Trey wrote:
>Joel, do you still have the 7 th degree black belt, and are you still
>teaching Karate?
>
>Kevin Connell wrote:
> >
> > LoeJ:
> >
> > The answer to your question is, no, HID probably will not improve zero viz.
> >
> > Oh, yeah,  and Fuck Off.
> >
> > At 06:24 PM 5/8/2000 -0500, you wrote:
> > >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
> >
> > ----------------------------------
> >   Kevin Connell <kevin@nw*.co*>
> >
> >   NW Labor Systems, Inc
> >   http://www.nwls.com
> >
> > ----------------------------------


----------------------------------
  Kevin Connell <kevin@nw*.co*>

  NW Labor Systems, Inc
  http://www.nwls.com



----------------------------------

Navigate by Author: [Previous] [Next] [Author Search Index]
Navigate by Subject: [Previous] [Next] [Subject Search Index]

[Send Reply] [Send Message with New Topic]

[Search Selection] [Mailing List Home] [Home]