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Updated: June 4, 2025
In the same year he published a paper on Vibrating Surfaces, in which he solved an acoustical problem which, though of extreme simplicity when solved, appears to have baffled many eminent men. The problem was to account for the fact that light bodies, such as the seed of lycopodium, collected at the vibrating parts of sounding plates, while sand ran to the nodal lines.
The repetition of the phenomenon had accustomed them to expect it. Both professed to be quite satisfied that it was to be attributed to acoustical affinities of vibration between the wicker-work and certain of the piano wires, and indeed this seemed the only explanation possible.
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