A Good-Looking Sound

By: Daniel De Luna
July 27th, 2006 | Category: Videos

Ernst Chladni (1756-1827) made several experiments with sound and acoustics and he showed the effects of internal harmonic vibrations by spreading fine sand over metal plates or glass and making them vibrate by scraping the bow of a violin along the edges of the plates, this resulted in symmetrical patterns of nodal lines, according to the frequency of the vibration you can see variations in the resulting patterns. These experiments lead Hans Jenny (1904-1972) to coin the term Cymatics, which is the study of wave phenomena. This is typically associated with the patterns produced through the interaction of sound waves in a medium.

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