The project was part of a week-long experimental imaging workshop at CIID that asked students to visualize the invisible everyday phenomena, no digital retouching allowed. To get their images, Sturgeon and Ray holed themselves up in a pitch-black, totally silent room for three days to experiment with different visualizations and processes. They ended up creating their own Android app in Processing that would allow them draw and map EMFs. The phone, with its built-in magnetic sensors, acted as a sort of “light brush” that reacted based on the strength of the EMF being read.
Read it all here: http://www.wired.com/design/2013/07/the-...e-devices/
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