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OT: mate recons impossible circle is possible
May 16, 2020
Last reply: 6 years ago
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A mate of mine recons those impossible circle gifs are possible otherwise they'd be impossible to draw....
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think not?
Then introduce him to the work of M.C. Escher.
+1
You could make a static model that looked "right" when viewed from a particular angle. However you would not be able to rotate it (or change your viewpoint)
e.g:
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As others have pointed out, Escher created the first impossible cube. Other examples here:
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The problem with the impossible circle is that it is carefully designed, like all of these things, to fool the eye. Even if carefully viewed in stop/start motion, or perhaps as individual frames, it is not easy to see why it is impossible.
The example linked to at the top of this thread is not a hard one to pick fault with, in terms of physical plausibility. If you watch a particular part of it while holding in your mind the notion of a particular orientation of the object as a whole and axis of spin, at the point when the orientation/spin appears to change, you can actually see a change in the geometry of the pieces that enforce the apparent change. In other words, it does not maintain the illusion of being composed of solid parts that hold a fixed shape.
Bill.
Argh! My eyes!
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