Wi-Fi signals at night
1 of 7 from The art of Wi-Fi signals (photos)
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Timo Arnall, Jorn Knutsen, and Einar Sneve Martinussen, Ph.D. candidates from the Oslo School of Architecture and Design, have found a unique way to visualize invisible Wi-Fi signals in their Norwegian city by light painting signal strength in long-exposure photographs.
March 11, 2011 4:59 AM PST
Photo by: Timo Arnall
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