Explore the secrets of sound and vibration with the Hidden World Cymatica Documentary, featuring John Campbell. This DVD delves into the fascinating world of cymatics, the study of how sound waves can create intricate and beautiful patterns in matter.

With a focus on the power of sound and its effects on the world around us, this documentary is a must-see for anyone interested in the intersection of science and art. Whether you're a fan of documentaries, interested in the science of sound, or simply looking for an engaging and thought-provoking film, the Hidden World Cymatica Documentary is sure to captivate and inspire.