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A comment on Why Do Mirrors Flip Things Horizontally but Not Vertically? Here's the Physics. Parent comment

Re:Why Do Mirrors Flip Things Horizontally but Not Verticall... by analog31 on Wednesday October 07, 2020 @01:46PM (#24710742)
Interestingly, optics design software models a flat mirror as a coordinate transformation. "All models are false, but some are useful."
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Re:Why Do Mirrors Flip Things Horizontally but Not Verticall... by Grustaf on Wednesday October 07, 2020 @07:10PM (#24713897)
That model is both true and useful though.
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