Invisible Wi-Fi revealed through light graffiti - CNET
 

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Invisible Wi-Fi revealed through light graffiti
CNET
In a project he is calling "Digital Ethereal", artist and researcher Luis Hernan at the University of Newcastle in the UK has rendered the invisible visible -- revealing in red, yellow, green and blue the Wi-Fi signal strength in the world around him ...





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