Description: Try a simple experiment, try to visualize what your ears look like. You were not able
to? Well, then try to describe the ears of someone you see everyday. You will find
that even if you are looking directly at someone s ears, they are still difficult to
describe. We simply do not have the vocabulary for it our everyday language
provides only a few adjectives which can be applied to ears, all of which are generic
adjectives like large or floppy and not ones which are solely^ used to describe ears.
On the other hand, we are all capable of describing the faces of even briefly glimpsed
strangers with significant detail to allow police artists to reconstruct remarkable
resemblances of them. Even though we apparently lack the means to recognize one
another from our ears, we will see that the rich structure of the ear is unique and that it
can be used as an effective biometric for passive identification.
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