Article: Power of art; DeCordova Museum's interactive computer exhibit examines consequences of technology.

A flickering galaxy of colors flows from one computer monitor to the next, drifting, pulsing, trailing off into tendrils of light against the dark background. Twelve screens record the meandering river of sparks, which is fed by constant input from a quartet of video cameras. All that light and color and lazy movement are nothing more than a visual echo of the viewers passing by.

This installation - "What Will Remain of These?" by Chris Dodge - might seem mesmerizingly abstract, divorced from the world of things, but it is fueled by the activity taking place right before its electronic eyes. The evanescent beauty on the screens would be impossible were it not for ...

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