see more journeyofcuriosity.net -This photograph was created by capturing light reflections on the surface of water, while being vibrated by a sound frequency of 18Hz, revealing geometric standing waves of interference.This sound is considered “infrasonic”, which means it is a sound wave below the range of audible sound.It lays in the realm of natural infrasonic sound sources, such as volcanoes, avalanches, earthquakes and meteorites.
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