Light and sound artist CHiKA created an interactive digital zen garden using bars of LED lights, via the creators project:

SHiKAKU uses motion control to sense nearby movement. Walking around the two light cubes or multiple diagonal beams triggers unexpected light and sound effects. It turns visitors into participants. It’s no surprise that interactive artist CHiKA Imagima has a background in graphic design and visual performance. In the exhibit, open until November 16, she creates a digital Zen garden reduced to its most basic elements of rocks and trees, and water represented by LED lights and the movement of people. Instead of color and stroke, CHiKA uses light and sound as tools because, in her words, “light and sound effect your brain differently – you end up seeing more than what you are actually seeing.” And it all starts with 32 bars of LED lights…

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