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When it comes to digital fingerprinting, we’ve never thought about how the concept could be applied to paper. E-paper, sure. But the plain old dead-tree stuff? Turns out, with a powerful enough scanner, a sheet of paper can reveal a unique …
Thursday, August 04, 2005
Laser speckles could enable digital fingerprinting of paper
Laser speckles could enable digital fingerprinting of paper: "
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