Now we all know we're constantly exposed to some sort of waves and rays in modern cities at any time. However, they're invisible obviously, wouldn't it be über-cool to make them visible and see how they look like, what they do and where we're exposed to them and where not so much?!
Immaterials: Light painting WiFi from Timo on Vimeo.
Well the short film 'Light painting WiFi' made by Timo Arnall, Jørn Knutsen and Einar Sneve Martinussen explores the invisible terrain imprinted by WiFi networks along urban spaces, for this they built up a a four metre tall wifi measuring rod which enables them to light painting WIFI signal strength in long-exposure photographs.
Seen on Pedro Custódio's blog.