“Reactive Sparks” is basically an “interactive art display [that] takes data it collects on passing traffic and displays moving images which react to vehicles as they drive by.” Video after the break. Click here for one more picture.

The waves at the bottom of each panel represent the amount of traffic that has recently passed, while a “spark” that flashes across each screen whenever a new car passes by. The more cars that pass the sensors, the bigger the waves, and the faster the motion

[via Technabob]

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