30" x 20"
Unique (edition of 1)
Archival pigment print
Conservation grade frame package
Frame handmade with red oak
Printed and mounted and framed by the artist
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This is a print which captures the motion of bubbles formed in an upstream rapid racing around a curve in the Tuolumne river. The granite slab at the top of the composition bounds the river on the outside of this turn. The calm, recirculating eddy in the lower left of the composition bounds the inside of the turn. Because this subject is a fast-moving one, the videos here play back in slow motion, at 0.5x speed.

Notice how the mainstream flow seems to refuse to hug the outside wall of the turn. Even though the flow is fast and strong, the compulsion of eddies to peel off must be stronger. And what's going on with the eddie in the lower right of the composition? Is it spinning in the direction you'd expect? You might reason that neighboring patches of swirling water must engage with their neighbors, like rollers, or even enmeshed gears.

Here are two videos which demonstrate how the work is created. This first one is the original – before any algorithmic processing.

Because the video is captured on a sturdy tripod, you can see how the background remains stable and the only motion that comes through is that of the moving subjects.

This second video is a visualization of the blending algorithm which reveals the motion of the bubbles. You can see how crisp tracks will develop as these natural tracers move along their complex trajectories. The algorithm also has a particularly alluring effect on the water itself – as if it was taken out of time, or in a state of suspension.

The final art image is created from the full accumulation of these blends.

Further reading:
Making the picture frames
Code and implementation

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