Paper computing
November 11 2008
Using magnetic paint and conductive paint with Arduino and skin-conductance sensor Leah Buechley made painting on paper something much more interesting.
[youtube=http://www.youtube.com/watch?v=-LyKmaz_3uI]
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How to make smart paper
[youtube=http://www.youtube.com/watch?v=EFJuFw0ws2c]
and .pdf on the subject
and NewScientist article on smart paper.