Cymatics is the science of visible sound. Originally taken from greek, it simply means wave. Cymatics shows the visual relationship between frequency and vibration. The sacred geometry created through the Cymatics is helping researchers gain new ideas in changing states of energy.
The main researcher in this video is German born Alexander Lauterwasser. His work in cymatics is based on the research of Ernst Chladni and Hans Jenny- also in the field of cymatics. Well worth the 14 minutes it takes to watch.