"Warp" <war### [at] tagpovrayorg> schreef in bericht
news:4253fcc0@news.povray.org...
> Thomas de Groot <t.d### [at] internlnet> wrote:
> > > texture{pigment{color rgb 0 transmit 1}} ;-)
>
> > Now, that reminds me of an item recently in Nature (the scientific
> > magazine). Scientists are seriously searching for something like this. A
> > cloaking device in fact.
>
>   If the density of the thing being cloacked is different from the
> density of air, it will be rather difficult to avoid the effects of ior...
>
>   Even completely transparent objects are very obvious because of their
> ior...
>
If I remember well (I didn't keep the item) they were looking in the
scattering direction.

Thomas

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