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Wifi-blocking wallpaper makes networks more secure

The rising number of smartphone users has increased the demand for wifi capability for all, and we’ve recently covered new ideas providing internet access in parks — via dog owners — and even embedding the technology into sidewalk paving. However, those with private networks concerned about a secure connection may benefit from new wallpaper technology developed by Institut Polytechnique de Grenoble (INP), which can block wifi signals being broadcast outside of the user’s vicinity.