Exhibits

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Drawing Board

The Drawing Board is a pendulum that draws a unique design.

Where:   Osher Gallery 1: Human Phenomenon
Exhibit Developer:   John Ravilious, 1969

Draw hypnotically flowing patterns with a swinging table, and watch friction cause the patterns to slowly shrink along a spiral path. Pick up a ticket to reserve your spot in line for this popular activity.

 
Phenomena: Damping, Friction, Feedback, Motion: Composition of Perpendicular Motion, Motion: Pendular Motion, Motion: Periodic Motion, Motion: Simple Harmonic Motion, Oscillation, Patterns, Superposition
Keywords: pendulums, phase angle
Collections: Cybernetic Serendipity, Explainer Demonstrations

More to explore

Science activity that uses a pendulum and a marker to create beautiful designs
Drawing Board

A pendulum moving in two directions creates beautiful designs.

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Harmonograms
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Sand Graph
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Sand traces a pendulum‘s motion.

Chaotic Pendulum
Chaotic Pendulum

When you set these pendulums swinging, the motion of each one affects the others.

Coupled Pendulums
Coupled Pendulums

Linked pendulums can get one another going.