You really must see and here this.


BaalChatzaf

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Caution. Keep your volume down so you don't damage your hearing.

You will see resonance patterns.

Ba'al Chatzaf

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That's really neato, Bob. :smile:

It's fascinating to see how stable a pattern would get for a frequency, and then watch it gradually dissolve and reconstitute itself as they scrolled through the frequencies.

I would have liked to see the same experiment done with a round card rather than a square one, as the square shape was interfering with the radial transmission of the vibrations. A round card would have likely generated "snowflake" patterns.

Greg

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