"Warp" <war### [at] tagpovrayorg> schreef in bericht 
news:4a1ae1a8@news.povray.org...
>  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.
>

Nice indeed. Real life simulating POV-Ray...  ;-)

Thomas

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