Anti-counterfeit polymers work like fingerprints

(Phys.org)—When it comes to tagging items to prove their authenticity, the goal is to stay ahead of counterfeit technology. The best tags are unique, complex, easy to read, and difficult to reproduce. One naturally-occurring ...

Anti-counterfeiting fluorescent marker developed

A team of researchers at the Max Planck Institute of Colloids and Interfaces (MPICI) has developed a method that could make it more difficult to counterfeit products in the future. The new and patented method makes it possible ...

Holographic color printing for optical security

Researchers from the Singapore University of Technology and Design (SUTD) have invented a new type of anti-counterfeiting technology called holographic colour prints for securing important documents such as identity cards, ...

A tiny answer to the counterfeit drug problem

The counterfeit drug industry is thriving. Criminals are cashing in on an estimated $200 billion in profits – nearly 10 percent of pharmaceuticals worldwide – while unknowing consumers put their health or even lives at ...

Infrared encoding of images with metasurfaces

Researchers at MINAO, a joint lab between The French Aerospace Lab in Palaiseau and the Laboratoire de Photonique et de Nanostructures in Marcoussis, have recently demonstrated metamaterial resonators that allow emission ...

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