The origin of the idea of moving objects by acoustic vibration can be traced back to 1787, when Ernst Chladni reported the ... movement from side with a high-speed video camera (Supplementary ...

THE Chladni plates in use at the present time for producing nodal lines are ordinarily made of brass, ten inches square (or ten inches in diameter if circular) and one eighth or one sixteenth of ...

Very high sounds made complex shapes. The audience was fascinated by the sound wave figures in the sand. Napoleon knew that mathematics can explain science. He asked Chladni to explain the ...