Researchers of Grenoble Institut Polytechnique and Centre Technique du Papier have developed a consumer-ready product in the form of wallpaper yes, wallpaper to block Wi-Fi signal. And the best part is that it will be priced the competitevly with traditional wallpaper.
The development is credited to PHD student Fabien De Barros and uses a construction of “conductive silver ink” and paper. This ink has the ability to shield out frequencies of mobile phone signals and wifi, yet preserves FM and TV signals to pass through it. Statements by the researchers have also claimed it helps with soundproofing and can be used on walls or even in floorboarding or floor coverings. Gone are the days of “stealing” your neighbors internet.
The Finnish company Ahlstrom has purchased the rights to this discovery and plans to realease it on the public market in 2013. Though a similar product was released about 8 years ago, it was not open to mass market. Ahlstrom is calling it “Metapaper”. Check the link below to see how it works!