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A comment on Math Professor Invents Non-Reversing Mirror. Parent comment

Re:Math Professor Invents Non-Reversing Mirror by mbq on Thursday December 20, 2012 @01:21PM (#4949091)
It seems this mirror is especially shaped to project the ordinarily reflected image in a reversed way, thus putting an object near it surface will break the illusion and show skewed but normally reflected image.
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Re:Math Professor Invents Non-Reversing Mirror by dllthomas on Thursday December 20, 2012 @01:56PM (#4949260)
Which seems to be what is going on with the book cover, in the picture in TFA.
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