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Well, dissmissing or criticising an experiment without even viewing it is hardly objective is it. In fact its an assumption in itself.
I haven't done either yet, simply raising an important caution - especially in the light of the mistake with the fenceposts. And if this experiment is actually important you should be describing it.
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But this one argument they present regarding crepuscular rays, the experiment and examples they give against the "perspective" explination is a very good one.
So far that doesn't seem to be true. The objection about the fenceposts was irrelevant and the two photographs you produced in
Message 70 tend to support the perspective explanation.
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And even if we simply dissmiss their evidence as garbage or whatever I don't think perspective can account for such a wide spread of rays covering almost 180 degrees as shown here
Don't you ? The rays are heading straight for the observer, just like the railroad tracks. Doesn't the fact that you've picked an example where the perspective effect would be very strong seem rather relevant ? Compare with your cityscape where there is no sign of the light spreading.
In fact it certainly could be due to perspective. To say it isn't you'd have to start arguing about the distances and the geometry. And you haven't said a word about that.