3B22.70 - Standing Waves - Soap Film Oscillations
This is one where practice makes perfect. The easiest frame to start with is probably the square one. Rotate the wrist!!
The soap solution can be made with extra glycerin to help with longevity and film strength.
- Tim Pritchett and Jin K. Kim, "A Low-Cost Apparatus for the Production of Surface Wave Patterns in a Vertically Oscillating Fluid", AJP, Vol. 66, #9, Sep. 1998, p. 830.
- Arcos et al., "Vibrating Soap Films: An Analog for Quantum Chaos on Billiards", AJP, Vol. 66, #7, July, 1998, p. 601.
- W-175, "Very Large Film - Glycerin", DICK and RAE Physics Demo Notebook.
- Robert Ehrlich, "J.17, Standing Waves on a Soap Bubble", Turn the World Inside Out, p. 142.
Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist. The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose. The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources. Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks. These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage. Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.