This is known as a Chladni plate experiment. When sound waves strike a surface, they generate vibrations—some areas of the surface move intensely, while others hardly move at all. The sand naturally shifts away from the vibrating regions and settles into the still ones, forming precise and beautiful patterns. These patterns are not random. Every frequency—every pitch of sound—creates its own distinct shape. Higher frequencies typically result in more intricate and complex designs. This phenomeno

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