| 摘要 |
One or more tubular channels contain liquid, a fluent solid, or a mixture of liquid and solid particles. The channels limit the spatial extent of the contents and constrain the contents to flow in limited directions. The channels may consist of a closed loop through which the contents can flow as the kaleidoscope is rotated. The direction of flow can be reversed by reversing the direction of rotation of the kaleidoscope. The contents in different channels are preferably colored differently. The channels may exist side-by-side or may be intertwined. Multiple reflections in the mirrors of the kaleidoscope of the stationary or moving contents generate pleasant static or dynamic symmetrical designs. These designs can be reproduced at will. The nature of the design that is observed by rotating the kaleidoscope can be altered by changing the position of the object cell relative to the mirrors.
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