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 But there is another side to the equipment--the commercial potential of discoveries made as a result of its development. While working with Bob Whitman, we rediscovered a phosphor that has already become an important tool in infrared laser research. The small power amplifier we built has also attracted commercial interest.
 
 The feedback to industry from the interaction between artists and engineers is very important. A direct involvement by industry is absolutely essential for any meaningful use of the potentials of professional technology by the artist. As a result the artists will help open new doors for the engineers and the engineers will give the artists a fresh license to be poetic. Technology has, I believe, vast untapped possibilities to give pleasure and to make life more enjoyable. The Chinese fireworks 3000 years ago were maybe the first use of advanced technology to give poetry, mystery and pleasure to the people. I feel that our performances will have some affinity to these long forgotten fireworks. We hope you will come and enjoy our show.
 
 Additional copies available from Ruder and Finn.