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A comment on What Do Animals See in a Mirror?. Parent comment

Re:What Do Animals See in a Mirror? by ars on Thursday May 15, 2014 @07:50PM (#7752992)
A sound mirror is just a wall.
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Re:What Do Animals See in a Mirror? by chad_oliver on Thursday May 15, 2014 @09:16PM (#7753253)
To be fair, a visual mirror is just a special type of wall.
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Re:What Do Animals See in a Mirror? by tripzilch on Sunday May 18, 2014 @06:47AM (#7762692)
It has to be a very very flat and even wall, otherwise the echo image will be distorted or "blurry". Such do not really appear in nature. Just like the only natural equivalent to a visual mirror is a very still pond, viewed under an angle.
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