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Description |
English: The two circles seem to rotate when the viewer's head is moving back and forth while looking at the black dot.
Español: Los dos círculos parecen girar si el observador mueve la cabeza hacia adelante y hacia atrás con la mirada fija en el punto negro.
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Source |
Own work.
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Date |
English: 03:33, 15 March 2007 (UTC).
Español: 03:33, 15 de marzo de 2007 (UTC).
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Author |
Fibonacci
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Permission |
GFDL
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I, the author of this work, hereby publish it under the following license:
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File links
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):