With the amount of electromagnetic waves floating around, researchers at France’s Institut Polytechnique de Grenoble have worked with the Centre Technique du Papier to develop Wi-Fi-blocking wallpaper. The product is called metapaper and its purpose is to selectively filter, reduce or reflect electromagnetic waves.
Metapaper prevents people from stealing Wi-Fi from buildings while also creating and securing a strong signal for users. The paper is believed to secure up to 99% of waves coming from outside (the paper would have to be put on the ceiling and floor to fully protect a room).
Another attractive feature of this product is metapaper’s ability to reduce a person’s exposure to electromagnetic waves. Scientists have found studies that say overuse of wireless technology could cause harmful health effects. Wireless Technology is used just about everywhere nowadays, so any opportunity to reduce exposure seems like an effective product.
Reference: http://whatsnext.blogs.cnn.com/2012/07/18/signal-blocking-wallpaper-stops-wi-fi-stealing-and-comes-in-a-snowflake-pattern/
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