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 ...

US lawmakers to push for online piracy bill

Democratic and Republican members of the US Congress pledged Monday to pass legislation that would give US authorities more tools to crack down on websites engaged in piracy of movies, television shows and music and the ...

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 ...

Butterfly wings behind anti-counterfeiting technology

(PhysOrg.com) -- Imagine a hole so small that air can't go through it, or a hole so small it can trap a single wavelength of light. Nanotech Security Corp., with the help of Simon Fraser University researchers, is using this ...

'Rogue websites' bill runs into more opposition

Three leading technology industry groups urged members of the US Congress on Monday to oppose a copyright protection bill being proposed in the House of Representatives.

Facebook, Google oppose US online piracy bills

Internet heavyweights Facebook, Google, Twitter and Yahoo! joined ranks on Tuesday to oppose legislation in the US Congress intended to crack down on online piracy.

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