"The rules of behaviour are simple – if the tetrahedron detects sudden change of light intensity (caused for example by casting shadow or pointing a flashlight ) it blinks for a short period of time with fixed delay, additionally making a sound. When there are other tetrahedrons nearby they might catch this light and pass it further, giving an effect of a “light wave”. The high-level patterns are built upon this simple rule and are shaped by the participants playing with the installation consisted of 400 blinking tetrahedrons. In the result the Constellaction “shape” evolved and branched during the evening, depending on the collaborative effort of the whole audience, effectively showing what emergence is all about."
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