Josef Gatti's Gravity highlights an experiment that visualizes the relationship between matter and gravity through a tangible representation of spacetime. The setup includes a fabric stretched over a large ring to symbolize spacetime, with a heavy ball placed on it to simulate the gravitational pull of a star. Smaller ball bearings spiral around this central mass, mimicking planetary orbits. Filmed under ultraviolet light, the experiment enhances the visibility of orbital motions, while a BOLT motion control robot synchronizes the camera with the simulation's rotations, producing an effect akin to observing a galaxy in time-lapse. This film was inspired by the desire to simulate the dynamics of a galaxy over billions of years, capturing its evolution and movement in a compressed visual format. It combines scientific inquiry with artistic representation to explore cosmic forces and dynamics.
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