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One day I was walking home from the Royal College of Art and wandered
past an outpost of the London Fire Brigade. A couple of firemen
were playing with a new nozzle they had just received; it looked
like something out of an IDEO catalogue. I mean, this thing had
been designed. I had just finished the WordNozzle application
and I began to think - what if I could use that nozzle to spray
text graffiti?
And so WordNozzle: The Installation was born. I tracked down the
supplier of the nozzle in South London, who not only gave me a nozzle
for cost (actually, way below cost) but custom-designed it so we
could get the necessary electronics inside. Michael Field led me
through the design of a 2D infra-red tracker, the output of which
was in the tip of the nozzle and the receivers of which were arrayed
around the projection screen. The handle was instrumented with a
simple rheostat to control the rate of text flow. Much fun was had
by all...
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