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Re:A mirror flips left and right, but not up and down by dasil003 on Friday July 22, 2011 @01:01PM (#2794306)
Whoever downvoted me is an idiot.

The effect of left/right "flipping" is because we are left/right symmetrical and so we can imagine ourselves being the person in the mirror by turning that way. For up-down flipping to happen we have to be top-bottom symmetrical to even begin to think about it, although it might not be that simple since gravity continues to differntiate those directions.

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