Smart paper sounds alarm if stolen

Israel’s Sdema has developed a thin invisible network called Tagit that functions as a sensor for secure paper documents. It works even when the paper is torn, folded, or crumpled. As soon as the paper is taken out of the area defined as a protected area, the system issues a warning.

http://www.globes.co.il/en/article-sdemas-smart-documents-warn-on-theft-1001185769

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