Researchers in Grenoble have had an original idea: to prevent a Wi-Fi network from being hacked, with a wallpaper insulation, which no longer allows waves to leave the apartment. Other utilities may be found in such technology, such as protection of sensitive individuals to electromagnetism.
The article (translated) says the wallpaper is designed to allow phone frequencies in and out.
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I wonder if you can make a hat out of it…
“sensitive individuals to electromagnetism.”
Meet idea. What other signals will be blocked?
Will it block RFID? It might make an easy wallet/passport liner to prevent “data theft.”