| 摘要 |
A device provides temporal and spatial 3-D patterns with a plurality of elements. The shape, position and orientation of the elements are controlled by a computer. The medium in which the elements lie provide movement of the elements without effects of vibration or turbulence. In a particular medium elements movements are dampened such that a quick change in position and/or orientation of an element is without apparent vibration. The medium and elements are of respective materials such that noise is eliminated. Iron powder elements on a surface are repositionable and reorientable in a desired temporal and spatial pattern through computer controlled changes to a generated magnetic field. Different sized bubbles are generated in a desired temporal and spatial pattern in a tank of glycerin through computer controlled air valves. The computer control is preprogrammed or in response to user operation of an input device.
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