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Researchers Develop Wi-Fi Blocking Wallpaper

Are your neighbors tired of you stealing their unsecured wi-fi? Here’s an expensive alternative to providing password protection. The Grenoble Institut Polytechnique and its research partners have developed wallpaper that blocks wi-fi transmissions: The wallpaper can block Wi-Fi signals in the 2.45 – 5.5 GHz range, while simultaneously allowing television, FM radio, and mobile phone signals [...]