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Old 10-02-2019, 01:13 AM   #29
size_of_light
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^ If we consider the 'absence of light' projection of a shadow as truly 2-D, and it can't be found on the 3-D terrain it is projected on (such as a wall), then it must only exist in 2-D in the mind of the perceiver who perceives the absence of light (I think! )
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