In article <3bf8ca76@news.povray.org>, war### [at] tagpovrayorg says...

> extremely far apart from each other, which means that there's quite a lot of
> space between them; how come every and each one of the incoming photons are
> absorbed and none goes through the space between the atoms without never
> colliding with them?

You are thinking of photons as a kind of simple particle traveling along 
a well-defined route from point A to point B. 
But this is completely wrong when the photon is "near" some kind of 
obstacle, thinking of it as a wave is a far better approximation in this 
case -> since a wave can, at the same time, hit and miss ALL obstacles in 
its path, it should be clear they all photons behave equally.

Lutz-Peter

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