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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 rrobukef on Thursday October 08, 2020 @03:46AM (#24716865)
The plastic foils for overhead projectors are transparent. Just imagining it messes with my mind. It is a great science experiment to try!
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