72stems is an installation that responds to the airflow in a space and the presence of people by emitting chirping sounds. The device uses 72 dried Queen Annís Lace stalks to detect subtle changes in airflow created by movement throughout a space. The stalks are connected to a device, which was programmed to chirp when a movement is detected. As the activity and movement in the space increases the chirping becomes more intense and the cumulative sound begins to layer and become more complex. When the movement ceases, the stems slow down and eventually stop their chirping chorus and await their next stimulation.

dwbowen.com

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