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Originally Posted by Acting Like Godot  Basically they select the photos that show the water crystals best.
In a sense, it's like a wildlife researcher who goes to the forest, takes hundreds of pictures of birds, and then selects the best photos, those which show most clearly the plumage, the feathers etc. |
It's not just a question of which photograph of the same crystal they select. It's a question of which crystal from a sample they choose to photograph. Is there any reason to suppose that the crystals in a single sample all look alike?