Common WiFi can detect weapons, bombs and chemicals in bags - Tech Xplore

[wireless]

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Tech Xplore
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Common WiFi can detect weapons, bombs and chemicals in bags
Tech Xplore
WiFi, or wireless, signals in most public places can penetrate bags to get the dimensions of dangerous metal objects and identify them, including weapons, aluminum cans, laptops and batteries for bombs. WiFi can also be used to estimate the volume of ...

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Courtesy of WestNet City Wi-Fi
www.westnet.ca