Description:  These microscope images show rough surfaces of paper (top) and plastic (bottom) that allow a laser scanning system to identify individual documents and credit cards.
Source:  Del Atkinson and Gang Xiong, Durham University
Story:  Textures ID paper and plastic
TRN August 10/17, 2005
TRN Categories:  Cryptography and Security; Optical Computing, Optoelectronics and Photonics
Form:  Still

 
Home     Archive     Resources    Feeds     Offline Publications     Glossary
TRN Finder     Research Dir.    Events Dir.      Researchers     Bookshelf
   Contribute      Under Development     T-shirts etc.     Classifieds
Forum    Comments    Feedback     About TRN

© Copyright Technology Research News, LLC 2000-2008. All rights reserved.