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E.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Spherical Mirror
E.A.T. – Experiments in Art and Technology, «Pepsi Pavilion for the Expo '70», 1970
Spherical Mirror | Photography | Photograph: Fujiko Nakaya | ©
The spherical mirror in the Pepsi Pavilion, showing the real image of the floor and the visitors hanging upside down in space over their heads. This optical effect resembles that of a hologram. Because of the size of the mirror, a spectator looking at the real image of a person could walk around that image and see it from all sides. The effect was spectacular. Our architect John Pearce devised an ingenious way the mylar mirror coLild be held up inside an air-tight spherical cage. A slight vacuum of less than 1/1000 of an atmosphere in the space between the cage and the mirror was sufficient to hold up the mirror. There was no need for cumbersome air locks. The floor was divided into 10 areas made up of different materials, such as astroturf, rough wood, slate, tile, and asphalt. Through handsets, visitors could hear different sounds while standing on each different floor material: on the tile floor, horses hooves and shattering glass; on the astroturf, ducks, frogs, cicadas and lions roaring. These sounds were transmitted to the handset from wire loops embedded in the floor section.


 
E.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Cross Section of the PavilionE.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Pavilion exterior viewE.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Clam RoomE.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Pavilion exterior view (detail)E.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Pavilon (view from the back)E.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Spherical MirrorE.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | group photoE.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | pavilion by nightE.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Performance with a flagE.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | spherical mirror upside downE.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | exterior view 2 (detail)E.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | exterior view (detail)E.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Laser PerformanceE.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Spherical Mirror (model)E.A.T. – Experiments in Art and Technology «Pepsi Pavilion for the Expo '70» | Pepsi Pavillon für die Expo ’70
Osaka | Japan | spherical, 90-foot diameter, 210-degree mirrored dome, geodesic shell, surround-sound system, handsets, 800-pound kinetic sculptures, 4 towers with powerful xenon lights | Participants: John Pearce (Architektur), Bob Whitman (mirror dome), David Tudor (sound systems), Tony Martin (lighting system), Robert Whitman (design), Lowell Cross (laser light system), Fujiko Nakaya (water vapor cloud sculpture), Frosty Myers (Light Frame sculpture)
 

 E.A.T. – Experiments in Art and Technology
«Pepsi Pavilion for the Expo '70»

«The ‹Pepsi Pavilion› was first an experiment in collaboration and interaction between the artists and the engineers, exploring systems of feedback between aesthetic and technical choices, and the humanization of technological systems. Klüver‘s ambition was to create a laboratory environment, encouraging ‹live programming› that offered opportunity for experimentation, rather than resort to fixed or ‹dead programming› as he called it, typical of most exposition pavilions. [...] The Pavilion‘s interior dome–immersing viewers in three-dimensional real images generated by mirror reflections, as well as spatialized electronic music–invited the spectator to individually and collectively participate in the experience rather than view the work as a fixed narrative of pre-programmed events. The Pavilion gave visitors the liberty of shaping their own reality from the materials, processes, and structures set in motion by its creators.»

(Randall Packer, «The Pepsi Pavilion: Laboratory for Social Experimentation», in: Jeffrey Shaw/Peter Weibel (eds), Future Cinema. The cinematic Imaginary after Film, exhib. cat., The MIT Press, Cambridge (Mass.), London, 2003, p. 145.)