(July 20, 2013 at 4:25 am)Consilius Wrote: Light cannot pass through an apple. And apples do not become redder when their skins are thicker.
Unlike an apple, water is not a solid blue. As its depth increases, the light passing through it reflects more blue.
So what? Its still the water that is blue. Like I've said many times already, it doesn't matter how it becomes blue, what matter is it is blue while none of its parts are.