Focus: Imaging with Your Wi-Fi Hotspot - Physics

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Focus: Imaging with Your Wi-Fi Hotspot
Physics
The radio signals emitted by a commercial Wi-Fi router can act as a kind of radar, providing images of the transmitter's environment, according to new experiments. Two researchers in Germany borrowed techniques from the field of holography to ...
Doing Holography with Your Wi-Fi RouterOptics & Photonics News (subscription) (blog)

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Courtesy of WestNet City Wi-Fi
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