2008 Zaragoza World Expo - Digital Water Pavilion

At the 2008 Zaragoza World Expo in Spain a "digital water pavilion" was used as one of the entrances to the exhibition itself. The water walls were controlled by almost 3,000 computer controlled solenoid valves and the water that was used (yes there really was water) was completely recycled. The digital water was designed to respond to sensors, meaning that it "interacted" with the people in the area, basically parting and shifting around them. The water can also be formed into various patterns and sequences controlled by an open source software program.

 

The Water Pavilion was not the only amazing display of digital interactive display use at the Zaragoza Expo. The Pavilion of Acciona used giant digital walls to immerse the onlooker into an imaginary world which reacted to their input. The presentation was 13 minutes long and took the onlooker on a journey through three very different environments, all controlled by 13 computers and infra red sensors placed all over the hall. The journey included a lake that showed the visitor's trail when they walked on it, and insects that reacted and moved when "touched". Even the landscapes themselves changed color and shapes in reaction to user input.

 

The pavilion of Sub Saharan Africa truly displayed the possibilities for future architectural use of digital interactive displays. The exterior of the building itself changes appearance in response to light and temperature conditions. The exterior was created using thousands of small metal plates and the moving images displayed changed according to the conditions and lighting outside. By day it displayed the movement and life of the desert and by night the bleakness of the African Savannah.

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