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Yes, but the likelihood of your ever coming across such a material is extremely low.
Grim
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Oops, apparently I'm wrong =) read the next few responses
- Slime
[ http://www.slimeland.com/ ]
[ http://www.slimeland.com/images/ ]
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Cool! Thanks!
- Kevin R.
"jimbobjim" <jim### [at] blueyonder couk> wrote in message
news:3c9a6d9a@news.povray.org...
>
> "Kevin R." <$vjr#spam#iggle@mtcn$spam$et.net#> wrote in message
> news:3c9a668e@news.povray.org...
> > > The first one simulates fur with a lot of cones and the second image
is
> > > a testing with negative ior.
> > Is negative ior possible in real life?
> >
>
> Yes
>
> here are some links for negative IOR and also semi-related 'slow' light
>
> http://physicsweb.org/article/world/14/9/12 -IOR
>
> http://physicsweb.org/article/world/14/9/8 - slow light
>
> jim
>
>
>
>
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Cool images, btw!
- Kevin R.
"Sven Heinzel" <tra### [at] sirius666de> wrote in message
news:Xns### [at] sirius666de...
> Hello,
>
> Just some small 'experiments':
> The first one simulates fur with a lot of cones and the second image is
> a testing with negative ior.
>
> On my raytracing homepage are high resolution versions of these images
> and some more.
>
> Sven
>
> --
> Homepages
> Raytracing: http://www.sternenwanderer.com/
> Gaming: http://www.sirius666.de/
>
>
----------------------------------------------------------------------------
----
>
>
>
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From: Rick [Kitty5]
Subject: Re: Fur and negative ior - 2 attachments
Date: 22 Mar 2002 04:35:21
Message: <3c9afad9@news.povray.org>
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> Yes, but the likelihood of your ever coming across such a material is
extremely low.
almost a negative .....
--
Rick
Kitty5 WebDesign - http://Kitty5.com
POV-Ray News & Resources - http://Povray.co.uk
TEL : +44 (01270) 501101 - FAX : +44 (01270) 251105 - ICQ : 15776037
PGP Public Key
http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0x231E1CEA
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Rick [Kitty5] <ric### [at] kitty5com> wrote in message
news:3c9afad9@news.povray.org...
> > Yes, but the likelihood of your ever coming across such a material is
> extremely low.
>
> almost a negative .....
>
laugh.
-Shay
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If you were looking out of a dense material into another less dense material
(for instance, out of water into air) then it would appear to have a
negative ior. Also, if you had a vaccuum it would look like a negative ior
from our atmophere.
Stephen
"Kevin R." <$vjr#spam#iggle@mtcn$spam$et.net#> wrote in message
news:3c9a668e@news.povray.org...
> > The first one simulates fur with a lot of cones and the second image is
> > a testing with negative ior.
> Is negative ior possible in real life?
>
> - Kevin R.
>
> "Sven Heinzel" <tra### [at] sirius666de> wrote in message
> news:Xns### [at] sirius666de...
> > Hello,
> >
> > Just some small 'experiments':
> > The first one simulates fur with a lot of cones and the second image is
> > a testing with negative ior.
> >
> > On my raytracing homepage are high resolution versions of these images
> > and some more.
> >
> > Sven
> >
> > --
> > Homepages
> > Raytracing: http://www.sternenwanderer.com/
> > Gaming: http://www.sirius666.de/
> >
> >
>
>
> --------------------------------------------------------------------------
--
> ----
>
>
> >
> >
> >
>
>
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3ca016f5$1@news.povray.org...
> If you were looking out of a dense material into another less dense
material
> (for instance, out of water into air) then it would appear to have a
> negative ior. Also, if you had a vaccuum it would look like a negative
ior
> from our atmophere.
>
> Stephen
>
Isn't it a ior < 1 ?
Marc
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Marc Jacquier wrote:
>
> Isn't it a ior < 1 ?
Doesn't "negative" imply "<1" ? ;-)
But surely you are right.
Markus
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Hey you know that I meant 0<IOR<1 don't you? :-)
3CA07E70.EBE83E6B@aicoss.de...
> Marc Jacquier wrote:
> >
> > Isn't it a ior < 1 ?
>
> Doesn't "negative" imply "<1" ? ;-)
> But surely you are right.
>
> Markus
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