Light up your city with a Wifi strength painting

by Shalu Pillai

A Norwegian group of urban design researchers have managed to recreate images and video mapping the invisible terrain of WiFi networks in urban spaces, images that remain blind to us ordinarily. In order to produce a video which would contextualise the innumerable Wifi networks around the city through visualisation, the team designed a custom signal strength measuring hardware which consisted of a 4 metre long instrument with many blue LEDs embedded that can respond to Wifi signal frequencies. When the instrument is moved around various urban landscapes, it captures these signal strengths and then in time-lapse shots superimposes a graphic representation of that areas Wifi overall signal strength.

A seemingly long, painful process but the outcome is a rather stunning display of LED lights, one that offsets beautifully against Oslo’s dark December, the ideal month for light painting.

Leave a comment