Over the previous 5 years, utilizing this rotating gentle-bar, I’ve witnessed the math of the DNA helix, generated in sound by means of a particular software program program, reproduce the geometry of the helix on my mild-bar. As such, once i put a sound into the spinning gentle-bar, a shade movement image outcomes. The outcome, an image in sand. Early researchers used a stylus vibrating throughout a flip-desk coated with wonderful sand to image sound. Thus, when a sound was performed, the flip-desk turned and the stylus vibrated.