Optical illusions based on movement can be constructed in a variety of ways. Here we explore spinning disks and color wheels using simple patterns that create some spectacular optical illusions. The Java applets listed below contain a combination of different patterns for your enjoyment.

Each pattern takes approximately 8-15 seconds to download over a 28.8K modem.

Spinning Disks - Java-powered pattern rotates clockwise or counterclockwise over a fixed bitmap pattern

Color Wheels - Color wheels of differing patterns are spun to create interesting optical illusions.

Moiré Pattern Generator - Explore two variable grid patterns with one rotating and the other stationary. The user has control of the pattern shape, size, and rotation direction.

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