I saw this light painting video a while back and forgot to post it up… so here it is for those of you that have not seen it yet. pretty effing awesome.
This project explores the invisible terrain of WiFi networks in urban spaces by light painting signal strength in long-exposure photographs.
A four-metre long measuring rod with 80 points of light reveals cross-sections through WiFi networks using a photographic technique called light-painting.
Behind the scenes: yourban.no/2011/03/07/making-immaterials-light-painting-wifi/