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Old 10-02-2019, 10:27 AM   #33
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Originally Posted by size_of_light View Post
^ 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! )

2D is very much hypothetical. All particles have (at least) 3 dimensions.

Last edited by truegroup; 10-02-2019 at 10:29 AM.
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