Martin Banks, a professor of optometry at Berkeley, says 3-D doesn't allow our eyes to follow the rules because we're focusing on things both far and near at the same time.

VOA: standard.2010.02.21

In fact the number of photons headed to your your eyes from those 2 tiles is exactly the same, physically that is the same.

实际上这两张瓷片,投射进你眼睛的光量子是一样的，从物理学的角度上说是完全相同的。

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