[Rockhounds] fossils

Fri May 1 07:06:25 PDT 2009

Ehr... no, Glenn, no THAT... LOL 

ROFLMAO 

Cheers

Axel 

> -----Oorspronkelijk bericht-----
> Van: rockhounds-bounces at lists.drizzle.com
[mailto:rockhounds-bounces at lists.drizzle.com]
> Namens Glenn Wimpee
> Verzonden: donderdag 30 april 2009 1:26
> Aan: rockhounds at lists.drizzle.com
> Onderwerp: RE: [Rockhounds] fossils
> 
> 
> WOW!
> 
> 
> Glenn
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> > From: everbeek at ptd.net
> > To: rockhounds at lists.drizzle.com
> > Subject: RE: [Rockhounds] fossils
> > Date: Wed, 29 Apr 2009 13:45:33 -0400
> >
> >
> > Axel wrote:
> >
> > Really Kreigh... you should stick EVERYTHING under the UV-lamp.
> > You never know what may fluoresce...
> > I had a friend who had a argument with his wife because he wanted to
test
> > her for fluorescence... May sound weird but yes, us fanatics are out
there
> > ;-)))
> >
> > Axel
> >
> > OK, friend Axel,
> >
> > Below is the text from one of the handouts I give to teachers when they
come
> > here for professional development training. The formatting is gone, but
the
> > information is still there. Comments welcome -- always looking to
improve
> > and expand these things. I've got lots of 'em...
> >
> > Cheers- Earl
> >
> >
> > Luminescence of the Human Body
> >
> > Many organic substances fluoresce, so it should come as no surprise that
we
> > humans do too. Seeing yourself and others under ultraviolet light can be
> > quite an experience. Before you run for that ultraviolet light, however,
we
> > offer two caveats: First, never use a shortwave or midwave ultraviolet
> > light for this purpose, for it can sunburn the eyes in moments, and also
> > cause sunburn of the skin. The only safe light to use is longwave
> > ultraviolet light, the ones commonly sold as "black lights" in novelty
shops
> > and science stores. Second, there is no such thing as a beautiful woman,
> > handsome man, or cute child under ultraviolet light. The UV lamp is a
great
> > social leveler, turning every one of us into ghouls.
> >
> > Should you still decide to look at yourself and/or others under
ultraviolet
> > light, here is what to expect.
> >
> > Parts of the Body
> > Fingernails: Your fingernails are one of the most brightly fluorescent
> > parts of your body and in most people fluoresce bright bluish-white.
> >
> > Teeth: Teeth are brightly fluorescent, creamy white. A person grinning
> > broadly under longwave ultraviolet light is a sight to behold. Synthetic
> > teeth in dentures and caps fluoresce in a range of colors - pink, green,
> > blue - depending on the material from which they were made. People who
have
> > had dental work done over a period of decades sometimes have false teeth
> > that fluoresce different colors. Modern braces, those made in part of
> > plastic instead of just metal, often fluoresce brilliantly, and
sometimes
> > quite attractively.
> >
> > Eyes- The whites of your eyes fluoresce, as others will see if you open
your
> > eyes widely under a longwave ultraviolet lamp. Your intraocular fluid
(the
> > fluid inside your eyeballs) fluoresces too. If you look directly into a
> > longwave ultraviolet lamp (don't ever do this with a shortwave lamp!)
you
> > will see everything through a pronounced haze because you are looking
> > through an eyeball filled with luminous liquid.
> >
> > Skin- Your skin fluoresces, not as brightly as your fingernails or eyes,
but
> > enough that you cannot hide under ultraviolet light. Some parts of your
> > skin fluoresce more brightly than others. For example, the palms of your
> > hands fluoresce more brightly than the backs. Freckles will appear as
dark
> > spots and typically are more pronounced under ultraviolet light than in
> > daylight. Scar tissue often appears more brightly fluorescent than the
> > surrounding skin. In general, the paler the skin, the brighter the
> > fluorescence, as you will see when viewing different parts of your own
body,
> > and especially when comparing the fluorescence of people with markedly
> > different complexions.
> >
> > Hair- Light-colored hair, whether blonde or grey, shows a ghostly white
> > fluorescence. The brightness of fluorescence dims as hair color darkens
and
> > in true brunettes is hardly noticeable. Styling mousses and other hair
> > additives can, of course, introduce fluorescences of their own, so even
a
> > person with black hair can light up in an interesting manner under
> > ultraviolet light.
> >
> > Body Fluids and Exudates
> > Discussion of this topic quickly engenders the yuck response in many
> > people. Suffice it to say that nearly everything your body produces,
from
> > sweat to saliva to fingerprint oils to urine to ear wax to mother's milk
to
> > all those other things, fluoresces - some strongly, some weakly - and
that
> > these things are of more than passing interest to medical researchers
and to
> > crime scene investigators for a variety of good reasons. Within the
field
> > of criminology, especially, much effort has been expended to study the
> > fluorescence of these substances and, where possible, to enhance it for
> > detection purposes. Fingerprint oils, for example, generally fluoresce
> > weakly, but suitable chemical treatment can make them fluoresce
sufficiently
> > well that good-quality photographs can be taken of them.
> >
> > Within the realm of "things to try for fun," the next time you visit a
> > doctor for a retinal angiogram, which involves injecting a solution of
> > fluorescein into one of your veins, try carrying an ultraviolet lamp
with
> > you into the bathroom the next time you have to urinate. Fluorescein is
> > eliminated from the body through the kidneys, and the results for a day
or
> > so after a retinal angiogram are impressive to say the least. Similar
but
> > less spectacular results can be had after taking a couple of vitamin B
> > tablets.
> >
> > Skin Disorders - Rashes, Parasites, Stains, etc.
> > [Later. Perhaps never.]
> > Some types of ringworm fluoresce. Gleason reports orange-fl. stains
between
> > the fingers of habitual smokers. Much more exists on this topic.
[Develop
> > later]
> >
> >
> > --
> >
> 
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