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Optics

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6Q 20.20 - Spinning Bicycle Wheel with Projection

Demonstrates: Optical illusions
Description: At the proper rate of spin the wheel will become a screen for the image.

6Q 20.30 - Strobe Light with After Effects Wheels

Demonstrates: Optical illusions.
Description: Two large black and white disks. When a strobe light is shone on the spinning wheels the pattern travels. Change strobe frequency or motor speed to change effect.

6Q 20.70 - Large Spiral Wheel

Demonstrates: Optical illusions.
Description: Large wheel with lines that spiral in or out depending on the motor direction.