Between April 22 and May 3, professional or even amateur lighting designers could create an enormous light show over Dublin, Ireland with just a few points and clicks. This is the fourth incarnation of Mexican-Canadian artist Rafael Lozano-Hammer's “Vectorial Elevation.” Site visitors could program beams of light from 22 robotic searchlights that were visible at a distance of 15 km. The scenes changed every 14 seconds as a new design was delivered via the Internet.

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