How do you make something invisible, such as WiFi signals, visible? Answer: Create a device that lights up depending on the strength the WiFi signal. An intriguing concept that results in some very interesting visuals. Video after the break.
“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.” – Timo Arnall
Link: Timo Arnall’s Website