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Invisible Wi-Fi Signals Caught on Camera

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Light-paining Wifi project

Immaterials: Light-painting WiFi project.

Timo Arnall

Computer icons can give you an idea of your Wi-Fi signal strength. But now Timo Arnall and a team of designers from the Oslo School of Architecture & Design have created a device that can produce a large scale visualisation of the fluctuating Wi-Fi signals around a city.

From New Scientist
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