Visual illusion demonstration device simulating hula hoop movements and demonstration method
A technology of demonstration device and demonstration method, applied in teaching models, educational appliances, instruments, etc., can solve the problems of unobservable results, fatigue of human arms, etc.
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[0014] Embodiment: the structure of the present invention is as figure 1 , figure 2 As shown, it consists of an experimental board 1, a mobile device 2, a special guide rail 3 for the movement of the mobile device, and a test board 4. The special guide rail 3 is fixed on the test board 1; the mobile device 2 is installed on the guide rail 3 and can move along the guide rail 3; the test board 4 is fixed on the mobile device 2. The pattern on the test board 4 is a combination of two circular rings composed of radiating lines, the centers of the two circular rings coincide, and the inner diameter of the outer ring is slightly larger than the outer diameter of the inner ring.
[0015] The moving device 2 is a self-driven moving device, which can move on the guide rail after being opened.
[0016] Described special guide rail 3 is a kind of circular closed guide rail.
[0017] The method of using the above-mentioned optical visual effect demonstration device for observation is:...
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