The Dual is an optical illusion in which two disks rotate in opposite directions; the front disk is black with slits that act as a shutter, the rear disk contains the animation frames. When the disks spin, the animation is visible. In this artwork, one windmill fan is black, the other contains 15 frames of animation. As the wind spins, the film is visible in the intersection of the two fans.

Mechanical Engineering: Muhammad Subhan Bin Muhammad Moizuddin
Additional Engineering: Bok Chian Check
Project Manager: Martin Siaw

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