Contact lenses on the eyes of Professor John Daugman show how Iris Recognition technology would record the unique features of his underlying irises. Dr. Daugman's technology records iris images as eight concentric barcode like rings. Each human iris is totally unique and even the irises of identical twins are different.    

This photo was taken as part of a story for National Geographic Magazine on the surveillance technologies being used in Europe and the United States following the terrorist attacks of 11 September 2001.

New Surveillance

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These photos were taken as part of a story for National Geographic Magazine on the surveillance technologies being used in Europe and the United States following the terrorist attacks of 11 September 2001.

 

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