Covert polarisation display: The future of everyday encryption

Covert polarisation display may be applied for anti-counterfeit purposes and more advanced optical authentication.

Did you know that you can store information in a way that it is right in front of you, yet you cannot see it unless being under specific light conditions? Nowadays there is smart technology, which allows valuable, written information to be protected, using materials that reveal the message only when placed under polarised light. Dr Young Min Song and […]

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