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Showing posts with label spiral illusion. Show all posts
Showing posts with label spiral illusion. Show all posts

Monday, November 17, 2014

A quick GeoGebra-based illusion

This sketch was created to show how easily our eyes and brain can mislead us.
A simple rotation is perceived differently if key anchor segments are removed.
The complete file is here.

Posted by Unknown at 11:28 AM No comments:
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