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Sep 20, '11

When Dr Hans Jenny coined the word 'cymatics' he began

a new chapter in the history of science. Cymatics is the science of visual sound.

To see the sounds that lie at the heart of matter is to lift the veils that conceal many mysteries of the universe.

The CymaScope represents the first scientific instrument that can give us a visual

image of sound and vibration - a cymatic image - helping us to understand

our world and universe in ways previously hidden from view.

I had the privilege of listening to a lecture by Dr John Stuart Reid at the Devizes cropcircle conference in the summer of 2011. I studied the pioneering work of Hans Jenny in Cymatics in the 90s when I was busy turning every stone over in my own quest for answers. But John has taken the work to new heights. The importance of his co-invention with Erik Larson cannot be overstated.

We must think in terms of SOUND BUBBLES not SOUND WAVES as we have been conditioned to think of in the past.

Click on the image above to see the sound bubble made by a violin.

The CymaScope is a new type of scientific instrument that makes sound visible. Its development began in 2002, with a prototype that featured a thin, circular, P.V.C. membrane; later we used latex. Fine particulate matter was used as the revealing media. However, it was soon discovered that far greater detail could be obtained by imprinting sonic vibrations on the surface of ultra pure water. The surface tension of water has high flexibility and fast response to imposed vibrations, even with transients as short-lived as a few milliseconds. Therefore, water is able to translate many of the sinusoidal periodicities--in a given sound sample--into physical sinusoidal structures on the water's surface. Current limits to imprinting sound on water occur in the higher harmonics and are due mainly to there being insufficient energy available in this area of the audio spectrum to cause excursions of the surface tension membrane.

In some cases the sinusoidal structures created on the surface tension are visible beneath the water?s surface, providing partial 3D geometrical data. These surface and sub-surface structures can readily be made visible to the naked eye by the application of a light source arranged above the water?s surface, either off-axis or--when using a light ring illuminator--on-axis. Capturing the imprints, known as CymaGlyphs, is achieved by means of a conventional digital camera or camcorder arranged vertically downward toward the water and coaxial with it.

he generic term for the patterns of vibration that occur on the surface of an object when excited by an incident sound is ?modal phenomena,? a field of study that covers everything from vibrations in suspension bridges, to vibrations in body parts of cars, to the effects of sound on the human skeleton and internal organs. In the 1970?s this branch of science was named ?cymatics? by Swiss doctor Hans Jenny, a word that derives from the Greek ?kyma,? meaning ?wave? and the inspiration for the name of our CymaScope instrument. The classical view of modal phenomena is that modal patterns form as a consequence of the natural resonant frequencies, or modes, of the object or membrane; current mathematical techniques used to describe this class of phenomena say nothing about the quality of the exciting sound. Musical sounds contain many harmonics so when a circular membrane is excited by a complex musical sound the resulting modal pattern(s) are, naturally, also complex. If we sample a moment from music and analyze it in terms of its fundamental frequency and associated harmonics, and then apply that sample to, say, a circular latex membrane of known elasticity, known diameter and fixed edge, present mathematical

techniques cannot predict what pattern will form on the membrane. It appears that no one has attempted to solve this problem, either because no applications for a solution have become evident or because physicists have not seen the importance of mathematically modeling such phenomena. Only the pattern associated with the fundamental frequency can be predicted with any degree of certainty. Thus, for example, the design of musical instruments remains an art rather than a science.

Mathematical modelling of the modes of vibration of a circular flexible membrane currently contain only such factors as shape and elacticity of the materials; the mathematics either describe a fixed boundary condition, in the case of a drum, or a single central fixing and a free edge in the case of a circular Chladni plate. Bessel functions and the wave equation are employed to define a finite number of normal modes, based on the natural resonances of the membrane or plate.

However, the parameters for the CymaScope are quite different to the case of the drum and the circular resonant plate. Water is free to move at the circular boundary and across its entire surface area. In addition, water responds not only to its normal modes but to any audible frequency imposed on it. In other words, within the limits mentioned above, all the primary periodicities in a given audible sound or in a given sample of music are rendered visible. The resulting patterns can be considered as analogs of the sound or music since the geometry in the resulting patterns is a function of the periodicities within the exciting sound.


The CymaScope has applications in almost every branch of science simply because vibration underpins all matter. The ability to see such vibrations permits a depth of study previously unavailable to scientists, engineers and researchers. Readers will have seen our list of research topics covering subject areas from Astrophysics to Zoology. Just as great advances in medical science have come about as the result of the microscope, and huge strides have been made in understanding the Universe with the telescope, the CymaScope instrument holds enormous potential to reveal the hidden realm of sound and vibration. Our team have recently made a wonderful breakthrough in the field of dolphin language research, to be announced soon in our Oceanography section. However, as with all scientific instruments it is vital that the relevant maths is developed, enabling predictions to be made and dynamic

systems to be modelled.

Click on the image above to expand and see the shape of the notes on a piano

If you are a student or professor of applied mathematics we invite you to contact us to discuss a possible collabortive study of the CymaScope instrument. Alternatively, if you are interested in acquiring a CymaScope please drop a line to:

John Stuart Reid, Sonic Age America,

We hope you enjoy our photographic history of the CymaScope from its early beginnings in 2002 to present day:

Sep 20, '11
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