Vacuum + Connection - Connection point for the air supply + audio outputs for the optical theremin and elmo.
Light sensor + Comparator + Relay - The changing light qualities are compared by a sensor + chip; if the amount is low one vacuum turns on, if the amount is high the other vacuum turns on.
Inflate - Each vacuum inflates one side of the wall; as one side fills with air the wall begins to curve inward. Alternating from vacuum to vacuum the wall begins to curve inward + outward. This movement is relatively slow requiring 5-10 mins per side.
Elmo + Theremin - These devices are embedded within the first air chamber of the structure. When Elmo is activated the light sensors are moved creating fluxations of sound.
Video + Typewriter + Tapehead - Contacts for the typewriter were place along the seams of the structure; as the wall is inflated + deflated letters would be typed. As the typewriter moves, an attached tapehead would slide along a strip of tape creating sound. A video camera records the letters being typed and projects them on the surrounding walls.
Camera + Jitter + Projection - The video from the camera is processed through software (Jitter). At determined time intervals, the software inverts the live video back + forth. The video is projected. This creates the changing light qualities for the Comparator + Relay (activates one vacuum or the other)
The wall + Projection - The wall erected with adjacent projection.
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