Warp nous illumina en ce 2009-05-25 14:21 -->
>   I noticed this interesting phenomenon in real life, so I had to replicate
> it with POV-Ray. It simulated the effect beautifully.
> 
>   There are two identical glasses in the image, both of which have a paper
> label around them. The glass on the left is empty, and the glass on the
> right is partially filled with water. Even though the water is very
> transparent, it nevertheless completely blocks the paper label from view.
> 
>   This is caused by total internal reflection. And it happens in the same
> way in real life.
> 
> 
You JUST discovered it with POV-Ray? Were where you?
It jumpt at me the first I did a render of a transparent object with an ior, but 
I hardly noticed as "it's correct" as, for me, it was an obvious behaviour.

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