May 24, 2017
Scientists Have Found a Way to Photograph People Through Walls Using Wi-Fi
Posted by Shane Hinshaw in categories: computing, holograms, internet, mobile phones
Wi-Fi can pass through walls. This fact is easy to take for granted, yet it’s the reason we can surf the web using a wireless router located in another room.
However, not all of that microwave radiation makes it to or from our phones, tablets, and laptops. Routers scatter and bounce their signal off objects, illuminating our homes and offices like invisible light bulbs.
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