visualized sound with a violin bow and metal plates, which revealed patterns in sand, sprinkled over their surfaces, gathering at the nodal lines of the vibrations. These patterns have become known as “Chladni Figures.”
developed other methods, using crystal oscillators and his own invention, the Tonoscope, which visualizes the shapes of sounds (phonemes) being sung. He coined the term, "kymatic," (cymatics) from the Greek, "kyma", meaning "wave."
At left is a visualization of the famous theme from the film, "Close Encounters of the Third Kind." The circumference of each circle equals the cycles per second of each note, in the key of F major, calculated using Pythagorean Just-Intoned ratios.