Wi-Fi Signals Become a Pocket Radar for Spotting Movement Through Walls
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Wi-Fi Signals Become a Pocket Radar for Spotting Movement Through Walls
Makers assembled a compact handheld unit that listens to standard wireless network signals and converts subtle shifts in those signals into a real-time radar display of nearby human activity. The entire system fits comfortably in one hand and comes together for roughly fifty dollars in parts. Movement registers even when walls or other barriers stand [...]
It would be fun to detect someone in a nearby room, without using a camera or infrared sensor. In fact, it's possible with just Wifi and that's what Talking Sasquach has just made a small box that can do this. I assure you, the idea isn't new. Our body is full of water, and the water it sends back and absorbs the radio waves. So, as soon as you move your popotin, bah it disturbs the Wi-Fi signals that cross the room. And if you're too big, PAF y…
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