Am 20.02.2011 22:59, schrieb Bruno Cabasson:

> I think however that the incandescent particles in the flame scatter the light
> of the others, and that they are also somewhat opaque and have an absorbing
> behaviour. Other particles or atoms might also scatter their light. It seems
> that a flame is quite a complex object.

That is indeed the case for sooty flames. A cleanly burning candle flame 
won't show much of that effect though.

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