Young-min Choi

Generative Art


Experience Design   

   Blur Clock
   Chordal Distance
   Accessible Design
   Shadow Box
   Seoul Biennale


Young.m. Choi

Blur Clock

Type: interactive artwork
Partner: Aidan Folwer
Year: 2020

#raspberry pi, node.js,
openCV, led matrix,
cnc, 3D printing

A clock that is only legible when you are looking at it.

The clock is inspired by The Order Of Time by Carlo Rovelli, who theorizes that time as we usually imagine it only exists because of a “blurred macroscopic perspective of the world that we encounter as human beings [and that] the distinction between past and future is tied to this blurring and would disappear if we were able to see the microscopic molecular activity of the world.”*.

* Valerie Thompson - Science Magazine  A quantum physicist reveals why time is not as simple as it seems

 Along with the thought that humans create time itself, we are tying in quantum mechanics and the idea that nothing exists in a determinate state until an interaction occurs or a measurement is taken. In our clock, the time is indeterminate and blurred until we measure (by looking at the clock) which causes an exact time to be visible.


In addition to Blur Clock, a sun clock presents another way to look at time, which is to tell the time by the sun’s location. To actuate the idea, we built a simple app to place the sun based on the zip code entered, using sun rise - sun set time requested from OpenCage api. 


The clock consists of a Raspberry pi computer connected to a stepper motor, camera, and led matrix panel. Using OpenCV (machine learning / artificial intelligence) eye tracking, the clock knows when your eyes are present and open and triggers the motor to push the screen closer to the dichroic diffusion panel. When you look away, the led matrix recedes from view.

The box is made from 10 pieces of CNC’ed PVC sheet finely sanded and finished. As you walk by the clock the face and colors of the time or sun change color.