New wallpaper keeps Wi-Fi networks secure

French researchers have created a new type of wallpaper that blocks Wi-Fi signals.

French researchers have created a new type of wallpaper that blocks Wi-Fi signals.

(Credit: Institut Polytechnique de Grenoble)

Developed by PhD student Fabien De Barros of the Institut Polytechnique de Grenoble (INP; Grenoble Institute of Technology) and the Centre Technique du Papier, the wallpaper can reportedly block electromagnetic wave frequencies in the 2.45GHz and 5.5GHz spectra.

(Credit: Institut Polytechnique de Grenoble)

It does so by coating the wallpaper in conductive silver ink via a screen-printing process, which creates a secure space to keep your own Wi-Fi in — and neighbours' Wi-Fi out.

According to Pierre Lemaitre-Auger of the INP, it will also prevent hackers from getting into your network; and, although harm from electromagnetic waves has yet to be proven, it puts to rest the fears of those who worry about the dangers.

Called MetaPaper, the product has been bought by Finnish company Ahlstrom, which expects to put it on the market sometime in 2013.

You can see more about how the paper works and is made here (PDF).

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